Question

(a-1)x^2-x-(a-2) factorisation

Answer 1

Answer:

1)x^2-x-(a-2)

=(a-1)x^2-{(a-1)-(a-2)}x-(a-2)

=(a-1)x^2-(a-1)x+(a-2)x-(a-2)

=(a-1)x(x-1)+(a-2)(x-1)

=(x-1){(a-1)x+a-2}

4.3

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