Factories:
x2 – ax – bx + ab
x2 – ax – bx + ab
Let’s arrange the terms in a suitable form;
x2 – ax – bx + ab
= x2 – bx – ax + ab
= (x2 – bx) – (ax – ab)
= x(x – b) – a(x – b)
= (x – b)(x –a)
So we get,
x2 – ax – bx + ab = (x – b)(x –a)
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Generated by AI. May contain inaccuracies — always verify with your textbook.