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8x² = 15 - 14x
Add 14x to both sides:
8x^2 +14x =15-14x+14x
Simplify:
8x^2 +14x =15
Subtract 15 from both sides:
8x^2+14x-15 = 15-15
SImplify:
8x^2+14x-15 = 0
Solve with the quadratic formula:
x= [tex]\frac{-14+ \sqrt{14^2-4*8(1-15)} }{2*8}[/tex] = 3/4
x= [tex]\frac{-14+ \sqrt{14^2-4*8(1-15)} }{2*8}[/tex] = -5/2
The solutions to the quadratic formula are:
x= 3/4, x=-5/2
Your Answer Is x= 3/4, x=-5/2
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