Question

Factorise :
(i) x-2x-x+ 2
(iii) x + 13x2 + 32x + 20​

Answer 1

Step-by-step explanation:

(i) x-2x-x+2

 = x(1-2)-1(x-2)

 = (x-1)[(-1)(x-2)]

(ii) x³+13x²+32x+20

 = x²(x+13)+4(8x+5)

 = (x²+4)[(x+13)(8x+5)]

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