2-3x-2x^2=7x^2

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


Simplifying
2 + -3x + -2x2 = 7x2

Solving
2 + -3x + -2x2 = 7x2

Solving for variable 'x'.

Combine like terms: -2x2 + -7x2 = -9x2
2 + -3x + -9x2 = 7x2 + -7x2

Combine like terms: 7x2 + -7x2 = 0
2 + -3x + -9x2 = 0

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

Subproblem 1

Set the factor '(1 + -3x)' equal to zero and attempt to solve: Simplifying 1 + -3x = 0 Solving 1 + -3x = 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 + -3x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -3x = 0 + -1 -3x = 0 + -1 Combine like terms: 0 + -1 = -1 -3x = -1 Divide each side by '-3'. x = 0.3333333333 Simplifying x = 0.3333333333

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 = {0.3333333333, -0.6666666667}

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