(4-8x)2+(x)2=400

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Solution for (4-8x)2+(x)2=400 equation:


Simplifying
(4 + -8x) * 2 + (x) * 2 = 400

Reorder the terms for easier multiplication:
2(4 + -8x) + (x) * 2 = 400
(4 * 2 + -8x * 2) + (x) * 2 = 400
(8 + -16x) + (x) * 2 = 400

Reorder the terms for easier multiplication:
8 + -16x + 2x = 400

Combine like terms: -16x + 2x = -14x
8 + -14x = 400

Solving
8 + -14x = 400

Solving for variable 'x'.

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

Add '-8' to each side of the equation.
8 + -8 + -14x = 400 + -8

Combine like terms: 8 + -8 = 0
0 + -14x = 400 + -8
-14x = 400 + -8

Combine like terms: 400 + -8 = 392
-14x = 392

Divide each side by '-14'.
x = -28

Simplifying
x = -28

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