Question

what is the formula of
$(x + a)(x + b) =$
​

Answer 1

Answer:

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

THAT'S THE ANSWER...!__!

Answer 2

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what is the formula of

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

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${\underline{\boxed{\sf{(x + a)(x + b) =x {}^{2} +(a+b)x +ab }}}}$

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${\underline{\boxed{\sf{(a + b) {}^{2} =a {}^{2} +2ab +b {}^{2} }}}}$

${\underline{\boxed{\sf{(a - b) {}^{2} =a {}^{2} - 2ab +b {}^{2} }}}}$

${\underline{\boxed{\sf{(a {}^{2} + b {}^{2} =(a + b)(a - b) }}}}$

${\underline{\boxed{\sf{(x + a)(x - b) =x {}^{2} +(a - b)x - ab }}}}$

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