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Poohbear6583
16.07.2020 •
Mathematics
I need help for summer school. plz I'm in honors math 2 and i cant find an answer. The equation is: -7x-60=x^2+10x
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Ответ:
x = -12 x = -5
Step-by-step explanation:
-7x-60=x^2+10x
Add 7x to each side
-60=x^2+10x+7x
-60=x^2+17x
Add 60 to each side
0 = x^2+17x+60
Factor
What 2 numbers multiply to 60 and add to 17
12*5 = 60
12+5 = 17
0 = (x+12) (x+5)
Using the zero product property
x+12 = 0 x+5 =0
x = -12 x = -5
Ответ: