4x^2-14x-27=3

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Solution for 4x^2-14x-27=3 equation:


Simplifying
4x2 + -14x + -27 = 3

Reorder the terms:
-27 + -14x + 4x2 = 3

Solving
-27 + -14x + 4x2 = 3

Solving for variable 'x'.

Reorder the terms:
-27 + -3 + -14x + 4x2 = 3 + -3

Combine like terms: -27 + -3 = -30
-30 + -14x + 4x2 = 3 + -3

Combine like terms: 3 + -3 = 0
-30 + -14x + 4x2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(-15 + -7x + 2x2) = 0

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

Ignore the factor 2.

Subproblem 1

Set the factor '(-3 + -2x)' equal to zero and attempt to solve: Simplifying -3 + -2x = 0 Solving -3 + -2x = 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 + -2x = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -2x = 0 + 3 -2x = 0 + 3 Combine like terms: 0 + 3 = 3 -2x = 3 Divide each side by '-2'. x = -1.5 Simplifying x = -1.5

Subproblem 2

Set the factor '(5 + -1x)' equal to zero and attempt to solve: Simplifying 5 + -1x = 0 Solving 5 + -1x = 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 + -1x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -1x = 0 + -5 -1x = 0 + -5 Combine like terms: 0 + -5 = -5 -1x = -5 Divide each side by '-1'. x = 5 Simplifying x = 5

Solution

x = {-1.5, 5}

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