(7b-8x)(7b+8x)=

Solution for (7b-8x)(7b+8x)= equation:

Simplifying
(7b + -8x)(7b + 8x) = 0

Multiply (7b + -8x) * (7b + 8x)
(7b * (7b + 8x) + -8x * (7b + 8x)) = 0
((7b * 7b + 8x * 7b) + -8x * (7b + 8x)) = 0

Reorder the terms:
((56bx + 49b2) + -8x * (7b + 8x)) = 0
((56bx + 49b2) + -8x * (7b + 8x)) = 0
(56bx + 49b2 + (7b * -8x + 8x * -8x)) = 0
(56bx + 49b2 + (-56bx + -64x2)) = 0

Reorder the terms:
(56bx + -56bx + 49b2 + -64x2) = 0

Combine like terms: 56bx + -56bx = 0
(0 + 49b2 + -64x2) = 0
(49b2 + -64x2) = 0

Solving
49b2 + -64x2 = 0

Solving for variable 'b'.

Move all terms containing b to the left, all other terms to the right.

Add '64x2' to each side of the equation.
49b2 + -64x2 + 64x2 = 0 + 64x2

Combine like terms: -64x2 + 64x2 = 0
49b2 + 0 = 0 + 64x2
49b2 = 0 + 64x2
Remove the zero:
49b2 = 64x2

Divide each side by '49'.
b2 = 1.306122449x2

Simplifying
b2 = 1.306122449x2

Take the square root of each side:
b = {-1.142857143x, 1.142857143x}