x^(2) +7x=8

LuBre asked Mar 15, 2023

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5 votes

LuBre asked Mar 15, 2023

by LuBre

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13 votes

x²+7x=8
x²+7x-8=0
Factors of -8 that add to 7
+8 and -1 work
(x+8)(x-1)=0
If one bracket =0 then the whole left side of equation =0
x=-8
x=1

Revenant answered Mar 19, 2023

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