coolkitty35
06.11.2019 •
Mathematics
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Ответ:
Ответ:
answer:
: d
step-by-step explanation:
Ответ:
Good morning Brainiac
(x-2)(x+5)=18
x²+3x-10=18
Subtract 18
x²+3x-10-18=18-18
x²+3x-28=0
Factor
(x-4)(x+7)=0
Set factors equal to 0
x-4=0 or x+7=0
x=4 or x=-7
The answer is B
x=-7
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