Question

What are the possible values of x in 32x + 20 = 28x − 16x2?

A. `(1)/(32) stackrel(+)(-) (4isqrt(79))/(32)`
B. `-(1)/(8) stackrel(+)(-) (isqrt(79))/(8)`
C. `-(1)/(8) stackrel(+)(-) (isqrt(7))/(8)`
D. `(1)/(32) stackrel(+)(-) (isqrt(7))/(4)`

Answer 1

B .`-(1)/(8) stackrel(+)(-) (isqrt(79))/(8)`