4x^2+2x-7=-3x^2-2

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Solution for 4x^2+2x-7=-3x^2-2 equation:


Simplifying
4x2 + 2x + -7 = -3x2 + -2

Reorder the terms:
-7 + 2x + 4x2 = -3x2 + -2

Reorder the terms:
-7 + 2x + 4x2 = -2 + -3x2

Solving
-7 + 2x + 4x2 = -2 + -3x2

Solving for variable 'x'.

Reorder the terms:
-7 + 2 + 2x + 4x2 + 3x2 = -2 + -3x2 + 2 + 3x2

Combine like terms: -7 + 2 = -5
-5 + 2x + 4x2 + 3x2 = -2 + -3x2 + 2 + 3x2

Combine like terms: 4x2 + 3x2 = 7x2
-5 + 2x + 7x2 = -2 + -3x2 + 2 + 3x2

Reorder the terms:
-5 + 2x + 7x2 = -2 + 2 + -3x2 + 3x2

Combine like terms: -2 + 2 = 0
-5 + 2x + 7x2 = 0 + -3x2 + 3x2
-5 + 2x + 7x2 = -3x2 + 3x2

Combine like terms: -3x2 + 3x2 = 0
-5 + 2x + 7x2 = 0

Factor a trinomial.
(-1 + -1x)(5 + -7x) = 0

Subproblem 1

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

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 = {-1, 0.7142857143}

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