answer of (x-a)(x-b) =
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(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. The x minus a and b takes the quadratic formula and includes steps that should govern with above formula by operating and come across in an identify of same sort.
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Answer:
x2-bx-ax-bx
x2-2bx-ax
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