-7x-3=4x^2

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


Simplifying
-7x + -3 = 4x2

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

Solving
-3 + -7x = 4x2

Solving for variable 'x'.

Combine like terms: 4x2 + -4x2 = 0
-3 + -7x + -4x2 = 0

Factor out the Greatest Common Factor (GCF), '-1'.
-1(3 + 7x + 4x2) = 0

Factor a trinomial.
-1((1 + x)(3 + 4x)) = 0

Ignore the factor -1.

Subproblem 1

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

Subproblem 2

Set the factor '(3 + 4x)' equal to zero and attempt to solve: Simplifying 3 + 4x = 0 Solving 3 + 4x = 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 + 4x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + 4x = 0 + -3 4x = 0 + -3 Combine like terms: 0 + -3 = -3 4x = -3 Divide each side by '4'. x = -0.75 Simplifying x = -0.75

Solution

x = {-1, -0.75}

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