Solve quadratics by factorising

Question 1

Solve: x² + x + 4 = 6. Give both solutions, separated by a comma.

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Question 2

Solve: x² − 9x + 18 = 0. Give both solutions, separated by a comma.

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Question 3

Solve: x² + 11x = 0. Give both solutions, separated by a comma.

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Question 4

Solve: x² − 15 = 1. Give both solutions, separated by a comma.

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Question 5

Solve: x² + 3x − 10 = 0. Give both solutions, separated by a comma.

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Question 6

Solve: x² + 8x = 0. Give both solutions, separated by a comma.

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Question 7

Solve: x² − 11x + 37 = 9. Give both solutions, separated by a comma.

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Question 8

Solve: x² − 8x + 12 = 0. Give both solutions, separated by a comma.

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Question 9

Solve: x² − 4x = 0. Give both solutions, separated by a comma.

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Question 10

Solve: x² − 8 = 8. Give both solutions, separated by a comma.

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Question 11

Solve: x² − 81 = 0. Give both solutions, separated by a comma.

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Question 12

Solve: x² + 4x = 0. Give both solutions, separated by a comma.

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Question 13

Solve: x² − 3x − 9 = 9. Give both solutions, separated by a comma.

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Question 14

Solve: x² − 4x − 45 = 0. Give both solutions, separated by a comma.

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Question 15

Solve: x² + 6x = 0. Give both solutions, separated by a comma.

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Question 16

Solve: x² − 13x + 43 = 1. Give both solutions, separated by a comma.

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