Factorise: (a) 12² – 7x + 1 (b) 6² + 5x – 6
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Step-by-step explanation:
a) 12² - 7x + 1
-7x + 12² + 1
-7x + 144 + 1
-2x - 5x + 145
-2x-5(x-29)
b)
6² + 5x - 6
5x + 6² - 6
5x + 36 - 6
5x + 30
5(x+6)
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