Question 1100618
1. (x+a)(x-b)(x-c)
Multiply any 2
(x+a)(x-b) = x*(x-b) + a*(x-b) = x^2 - bx + ax - ab or (x^2 + (a-b)x - ab)
Then multiply that by (x-c)
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2. (x+a+b)(x+c-d)