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nordsb [41]
4 years ago
8

Solve for x. write both soultions separated by a comma 7x^2+5x-2=0

Mathematics
2 answers:
uysha [10]4 years ago
7 0
X= 2/7, x= -1
hope this helps you.
Eva8 [605]4 years ago
6 0
7 times -2=-14
7 and -2 adds to 5

7x²+7x-2x-2=0
(7x²+7x)+(-2x-2)=0
7x(x+1)-2(x+1)=0
undistribute
(7x-2)(x+1)=0

set to zero

7x-2=0
7x=2
x=2/7

x+1=0
x=-1

x=2/7,-1
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