haley161
haley161
05-03-2017
Mathematics
contestada
(7x+3)(x-9) need help
Respuesta :
Аноним
Аноним
05-03-2017
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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