8x^2-10=7x^2-3x

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Solution for 8x^2-10=7x^2-3x equation:


Simplifying
8x2 + -10 = 7x2 + -3x

Reorder the terms:
-10 + 8x2 = 7x2 + -3x

Reorder the terms:
-10 + 8x2 = -3x + 7x2

Solving
-10 + 8x2 = -3x + 7x2

Solving for variable 'x'.

Reorder the terms:
-10 + 3x + 8x2 + -7x2 = -3x + 7x2 + 3x + -7x2

Combine like terms: 8x2 + -7x2 = 1x2
-10 + 3x + 1x2 = -3x + 7x2 + 3x + -7x2

Reorder the terms:
-10 + 3x + 1x2 = -3x + 3x + 7x2 + -7x2

Combine like terms: -3x + 3x = 0
-10 + 3x + 1x2 = 0 + 7x2 + -7x2
-10 + 3x + 1x2 = 7x2 + -7x2

Combine like terms: 7x2 + -7x2 = 0
-10 + 3x + 1x2 = 0

Factor a trinomial.
(-5 + -1x)(2 + -1x) = 0

Subproblem 1

Set the factor '(-5 + -1x)' equal to zero and attempt to solve: Simplifying -5 + -1x = 0 Solving -5 + -1x = 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 + -1x = 0 + 5 Combine like terms: -5 + 5 = 0 0 + -1x = 0 + 5 -1x = 0 + 5 Combine like terms: 0 + 5 = 5 -1x = 5 Divide each side by '-1'. x = -5 Simplifying x = -5

Subproblem 2

Set the factor '(2 + -1x)' equal to zero and attempt to solve: Simplifying 2 + -1x = 0 Solving 2 + -1x = 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 + -1x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1x = 0 + -2 -1x = 0 + -2 Combine like terms: 0 + -2 = -2 -1x = -2 Divide each side by '-1'. x = 2 Simplifying x = 2

Solution

x = {-5, 2}

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