-4x^2-11x=7

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Solution for -4x^2-11x=7 equation:


Simplifying
-4x2 + -11x = 7

Reorder the terms:
-11x + -4x2 = 7

Solving
-11x + -4x2 = 7

Solving for variable 'x'.

Reorder the terms:
-7 + -11x + -4x2 = 7 + -7

Combine like terms: 7 + -7 = 0
-7 + -11x + -4x2 = 0

Factor out the Greatest Common Factor (GCF), '-1'.
-1(7 + 11x + 4x2) = 0

Factor a trinomial.
-1((7 + 4x)(1 + x)) = 0

Ignore the factor -1.

Subproblem 1

Set the factor '(7 + 4x)' equal to zero and attempt to solve: Simplifying 7 + 4x = 0 Solving 7 + 4x = 0 Move all terms containing x to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + 4x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + 4x = 0 + -7 4x = 0 + -7 Combine like terms: 0 + -7 = -7 4x = -7 Divide each side by '4'. x = -1.75 Simplifying x = -1.75

Subproblem 2

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

Solution

x = {-1.75, -1}

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