Question

1. (x + a) (x + b ) =________​

Answer 1

Answer:

(x-a)(x-b) is equal to x^2-xb-ax-ab= x^2 -x(b+a) –ab or = x^2 -b(x+a) –ax.

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Answer 2

(x + a) (x + b)

= x(x + b) + a(x + b)

= (x² + bx + ax + ab)

= x² + x(a + b) + ab