x(8x+7)=3x^2-7x+3

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Solution for x(8x+7)=3x^2-7x+3 equation:


Simplifying
x(8x + 7) = 3x2 + -7x + 3

Reorder the terms:
x(7 + 8x) = 3x2 + -7x + 3
(7 * x + 8x * x) = 3x2 + -7x + 3
(7x + 8x2) = 3x2 + -7x + 3

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

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

Solving for variable 'x'.

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

Combine like terms: 7x + 7x = 14x
-3 + 14x + 8x2 + -3x2 = 3 + -7x + 3x2 + -3 + 7x + -3x2

Combine like terms: 8x2 + -3x2 = 5x2
-3 + 14x + 5x2 = 3 + -7x + 3x2 + -3 + 7x + -3x2

Reorder the terms:
-3 + 14x + 5x2 = 3 + -3 + -7x + 7x + 3x2 + -3x2

Combine like terms: 3 + -3 = 0
-3 + 14x + 5x2 = 0 + -7x + 7x + 3x2 + -3x2
-3 + 14x + 5x2 = -7x + 7x + 3x2 + -3x2

Combine like terms: -7x + 7x = 0
-3 + 14x + 5x2 = 0 + 3x2 + -3x2
-3 + 14x + 5x2 = 3x2 + -3x2

Combine like terms: 3x2 + -3x2 = 0
-3 + 14x + 5x2 = 0

Factor a trinomial.
(-3 + -1x)(1 + -5x) = 0

Subproblem 1

Set the factor '(-3 + -1x)' equal to zero and attempt to solve: Simplifying -3 + -1x = 0 Solving -3 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + -1x = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -1x = 0 + 3 -1x = 0 + 3 Combine like terms: 0 + 3 = 3 -1x = 3 Divide each side by '-1'. x = -3 Simplifying x = -3

Subproblem 2

Set the factor '(1 + -5x)' equal to zero and attempt to solve: Simplifying 1 + -5x = 0 Solving 1 + -5x = 0 Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + -5x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -5x = 0 + -1 -5x = 0 + -1 Combine like terms: 0 + -1 = -1 -5x = -1 Divide each side by '-5'. x = 0.2 Simplifying x = 0.2

Solution

x = {-3, 0.2}

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