solve : ( x +a ) ( x + b )
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Answer:
We will discuss here about the expansion of (x ± a)(x ± b)
(x + a)(x + b) = x(x + b) + a (x + b)
= x2 + xb + ax + ab
= x2 + (b + a)x + ab
(x - a)(x - b) = x(x - b) - a (x - b)
= x2 - xb - ax + ab
= x2 - (b + a)x + ab
Answered by
1
Step-by-step explanation:
x (x+b) a(x+b)
x^2+bx+ax+ab
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