30=4(5-x)2

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Solution for 30=4(5-x)2 equation:


Simplifying
30 = 4(5 + -1x) * 2

Reorder the terms for easier multiplication:
30 = 4 * 2(5 + -1x)

Multiply 4 * 2
30 = 8(5 + -1x)
30 = (5 * 8 + -1x * 8)
30 = (40 + -8x)

Solving
30 = 40 + -8x

Solving for variable 'x'.

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

Add '8x' to each side of the equation.
30 + 8x = 40 + -8x + 8x

Combine like terms: -8x + 8x = 0
30 + 8x = 40 + 0
30 + 8x = 40

Add '-30' to each side of the equation.
30 + -30 + 8x = 40 + -30

Combine like terms: 30 + -30 = 0
0 + 8x = 40 + -30
8x = 40 + -30

Combine like terms: 40 + -30 = 10
8x = 10

Divide each side by '8'.
x = 1.25

Simplifying
x = 1.25

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