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Q4 of 53 Page 166

Foctorise the following:
3x² – 17x + 20

⇒ 3x² – 17x + 20

⇒ 3x² - 12x - 5x + 20

⇒ 3x(x - 4) - 5(x - 4)

⇒ (x - 4)(3x - 5)

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3

Foctorise the following:

x⁴ – 13x²y² + 36y⁴.

4

Foctorise the following:

2x² + 7x + 6

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Foctorise the following:

6x² – 5x – 14

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Foctorise the following:

4x² + 12xy + 5y²

Questions · 53

4. Factorisation

1 2 2 2 2 3 3 3 3 3 3 1 1 1 1 1 1 2 2 2 2 2 2 3 3 3 3 3 3 1 1 1 1 1 1 2 3 3 3 3 3 3 3 4 4 4 4 4 5 5 5 5 6

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