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never [62]
3 years ago
10

(7x+3)(x-9) need help

Mathematics
1 answer:
Natalka [10]3 years ago
8 0
7x^2-63x+3x-27=0

Simplify. 

7x^2-60x-27=0

To find value of x, 7x+3=0
x-9=0 

x1=-3/7
x2=9

Substitute back in equation to find the answer either x1 or x2
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