(8-5x)(8+5x)=

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Solution for (8-5x)(8+5x)= equation:


Simplifying
(8 + -5x)(8 + 5x) = 0

Multiply (8 + -5x) * (8 + 5x)
(8(8 + 5x) + -5x * (8 + 5x)) = 0
((8 * 8 + 5x * 8) + -5x * (8 + 5x)) = 0
((64 + 40x) + -5x * (8 + 5x)) = 0
(64 + 40x + (8 * -5x + 5x * -5x)) = 0
(64 + 40x + (-40x + -25x2)) = 0

Combine like terms: 40x + -40x = 0
(64 + 0 + -25x2) = 0
(64 + -25x2) = 0

Solving
64 + -25x2 = 0

Solving for variable 'x'.

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

Add '-64' to each side of the equation.
64 + -64 + -25x2 = 0 + -64

Combine like terms: 64 + -64 = 0
0 + -25x2 = 0 + -64
-25x2 = 0 + -64

Combine like terms: 0 + -64 = -64
-25x2 = -64

Divide each side by '-25'.
x2 = 2.56

Simplifying
x2 = 2.56

Take the square root of each side:
x = {-1.6, 1.6}

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