7(x-3)2-56=0

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Solution for 7(x-3)2-56=0 equation:


Simplifying
7(x + -3) * 2 + -56 = 0

Reorder the terms:
7(-3 + x) * 2 + -56 = 0

Reorder the terms for easier multiplication:
7 * 2(-3 + x) + -56 = 0

Multiply 7 * 2
14(-3 + x) + -56 = 0
(-3 * 14 + x * 14) + -56 = 0
(-42 + 14x) + -56 = 0

Reorder the terms:
-42 + -56 + 14x = 0

Combine like terms: -42 + -56 = -98
-98 + 14x = 0

Solving
-98 + 14x = 0

Solving for variable 'x'.

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

Add '98' to each side of the equation.
-98 + 98 + 14x = 0 + 98

Combine like terms: -98 + 98 = 0
0 + 14x = 0 + 98
14x = 0 + 98

Combine like terms: 0 + 98 = 98
14x = 98

Divide each side by '14'.
x = 7

Simplifying
x = 7

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