Question

find the value of (x+a) (x-b) ​

Answer 1

Answer:

this is a answer of the question

Answer 2

Answer:

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$(x+a)(x-b) \\ = x(x-b)+a(x-b) \\ = {x}^{2} - bx + ax - b \\ = {x}^{2} - x(b - a) - b$

Standard formula of equation is -

$a {x}^{2} + bx + c$

So,

$(x + a)(x - b) = {x}^{2} - x(b - a) - b$