x = 2 or x = -1

Factorise and solvex2 + bx + c = 0 1

x2 + 3x + 2 = 0

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Factorise and solve

x = -5 or x = -2

Factorise and solvex2 + bx + c = 0 2

x2 + 5x + 4 = 0

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Factorise and solve

x = -4 or x = -1

Factorise and solvex2 + bx + c = 0 3

x2 + 3x - 18 = 0

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Factorise and solve

x = -3 or x = -5

Factorise and solvex2 + bx + c = 0 4

x2 + 6x + 9 = 0

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Factorise and solve

x = -3 or x = -3

Factorise and solvex2 + bx + c = 0 5

x2 - 2x - 3 = 0

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Factorise and solve

x = -1 or x = 1

Factorise and solvex2 + bx + c = 0 6

x2 - 2x + 1 = 0

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Factorise and solve

x = -1 or x = -6

Factorise and solvex2 + bx + c = 0 7

x2 + 9x + 14 = 0

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Factorise and solve

x = 2 or x = -7

Factorise and solvex2 + bx + c = 0 8

x2 + 7x + 6 = 0

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Factorise and solve

x = 2 or x = 2

Factorise and solvex2 + bx + c = 0 9

x2 - 1 = 0

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Factorise and solve

x = -2 or x = -1

Factorise and solvex2 + bx + c = 0 10

x2 - 4x + 4 = 0

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Factorise and solve

x = -1 or x = 3

Factorise and solvex2 + bx + c = 0 11

x2 + 7x + 10 = 0

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Factorise and solve

x = -2 or x = -7

Factorise and solvex2 + bx + c = 0 12

x2 + 7x + 12 = 0

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Factorise and solve

x = 1 or x = 4

Factorise and solvex2 + bx + c = 0 13

x2 + 8x + 15 = 0

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Factorise and solve

x = 1 or x = 1

Factorise and solvex2 + bx + c = 0 14

x2 + 6x + 8 = 0

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Factorise and solve

x = -2 or x = -8

Factorise and solvex2 + bx + c = 0 15

x2 - x - 2 = 0

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Factorise and solve

x = 5

Factorise and solvex2 + bx + c = 0 16

x2 + 5x - 14 = 0

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Factorise and solve

x = -6 or x = 3

Factorise and solvex2 + bx + c = 0 17

x2 + 10x + 16 = 0

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Factorise and solve

x = -2 or x = -4

Factorise and solvex2 + bx + c = 0 18

x2 - 10x + 25 = 0

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Factorise and solve

x = 2 or x = 4

Factorise and solvex2 + bx + c = 0 19

x2 - 5x + 4 = 0

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Factorise and solve

x = -4 or x = -3

Factorise and solvex2 + bx + c = 0 20

x2 - 6x + 8 = 0

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Factorise and solve

Factorise and solvex2 + bx + c = 0

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Answer Sheet

7 12 20 19 13

8 4

16 5

18 11

14 2

6 3

9 10 1 15 17