5(x-1)-x(7-x)=x*x

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Solution for 5(x-1)-x(7-x)=x*x equation:


Simplifying
5(x + -1) + -1x(7 + -1x) = x * x

Reorder the terms:
5(-1 + x) + -1x(7 + -1x) = x * x
(-1 * 5 + x * 5) + -1x(7 + -1x) = x * x
(-5 + 5x) + -1x(7 + -1x) = x * x
-5 + 5x + (7 * -1x + -1x * -1x) = x * x
-5 + 5x + (-7x + 1x2) = x * x

Combine like terms: 5x + -7x = -2x
-5 + -2x + 1x2 = x * x

Multiply x * x
-5 + -2x + 1x2 = x2

Solving
-5 + -2x + 1x2 = x2

Solving for variable 'x'.

Combine like terms: 1x2 + -1x2 = 0
-5 + -2x + 0 = x2 + -1x2
-5 + -2x = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
-5 + -2x = 0

Factor out the Greatest Common Factor (GCF), '-1'.
-1(5 + 2x) = 0

Ignore the factor -1.

Subproblem 1

Set the factor '(5 + 2x)' equal to zero and attempt to solve: Simplifying 5 + 2x = 0 Solving 5 + 2x = 0 Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + 2x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + 2x = 0 + -5 2x = 0 + -5 Combine like terms: 0 + -5 = -5 2x = -5 Divide each side by '2'. x = -2.5 Simplifying x = -2.5

Solution

x = {-2.5}

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