Question

how to solve this question??
(x+3)(x-10)=x²+_? x+_?
what we would be the answer to fill this both blanks ??
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Answer 1

Answer:

$x^{2} +13x+30$

Step-by-step explanation:

$=(x+3)(x+10)$

$=x(x+10)+3(x+10)$

=$x^{2} +10x+3x+30$

=$x^{2} +13x+30$