5x-10=7x(x-2)

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Solution for 5x-10=7x(x-2) equation:


Simplifying
5x + -10 = 7x(x + -2)

Reorder the terms:
-10 + 5x = 7x(x + -2)

Reorder the terms:
-10 + 5x = 7x(-2 + x)
-10 + 5x = (-2 * 7x + x * 7x)
-10 + 5x = (-14x + 7x2)

Solving
-10 + 5x = -14x + 7x2

Solving for variable 'x'.

Combine like terms: 5x + 14x = 19x
-10 + 19x + -7x2 = -14x + 7x2 + 14x + -7x2

Reorder the terms:
-10 + 19x + -7x2 = -14x + 14x + 7x2 + -7x2

Combine like terms: -14x + 14x = 0
-10 + 19x + -7x2 = 0 + 7x2 + -7x2
-10 + 19x + -7x2 = 7x2 + -7x2

Combine like terms: 7x2 + -7x2 = 0
-10 + 19x + -7x2 = 0

Factor a trinomial.
(-2 + x)(5 + -7x) = 0

Subproblem 1

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

Subproblem 2

Set the factor '(5 + -7x)' equal to zero and attempt to solve: Simplifying 5 + -7x = 0 Solving 5 + -7x = 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 + -7x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -7x = 0 + -5 -7x = 0 + -5 Combine like terms: 0 + -5 = -5 -7x = -5 Divide each side by '-7'. x = 0.7142857143 Simplifying x = 0.7142857143

Solution

x = {2, 0.7142857143}

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