15x^2=7x+2

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Solution for 15x^2=7x+2 equation:


Simplifying
15x2 = 7x + 2

Reorder the terms:
15x2 = 2 + 7x

Solving
15x2 = 2 + 7x

Solving for variable 'x'.

Reorder the terms:
-2 + -7x + 15x2 = 2 + 7x + -2 + -7x

Reorder the terms:
-2 + -7x + 15x2 = 2 + -2 + 7x + -7x

Combine like terms: 2 + -2 = 0
-2 + -7x + 15x2 = 0 + 7x + -7x
-2 + -7x + 15x2 = 7x + -7x

Combine like terms: 7x + -7x = 0
-2 + -7x + 15x2 = 0

Factor a trinomial.
(-1 + -5x)(2 + -3x) = 0

Subproblem 1

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

Subproblem 2

Set the factor '(2 + -3x)' equal to zero and attempt to solve: Simplifying 2 + -3x = 0 Solving 2 + -3x = 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 + -3x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -3x = 0 + -2 -3x = 0 + -2 Combine like terms: 0 + -2 = -2 -3x = -2 Divide each side by '-3'. x = 0.6666666667 Simplifying x = 0.6666666667

Solution

x = {-0.2, 0.6666666667}

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