4x^2+6x-18=10

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Solution for 4x^2+6x-18=10 equation:


Simplifying
4x2 + 6x + -18 = 10

Reorder the terms:
-18 + 6x + 4x2 = 10

Solving
-18 + 6x + 4x2 = 10

Solving for variable 'x'.

Reorder the terms:
-18 + -10 + 6x + 4x2 = 10 + -10

Combine like terms: -18 + -10 = -28
-28 + 6x + 4x2 = 10 + -10

Combine like terms: 10 + -10 = 0
-28 + 6x + 4x2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(-14 + 3x + 2x2) = 0

Factor a trinomial.
2((-7 + -2x)(2 + -1x)) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(-7 + -2x)' equal to zero and attempt to solve: Simplifying -7 + -2x = 0 Solving -7 + -2x = 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 + -2x = 0 + 7 Combine like terms: -7 + 7 = 0 0 + -2x = 0 + 7 -2x = 0 + 7 Combine like terms: 0 + 7 = 7 -2x = 7 Divide each side by '-2'. x = -3.5 Simplifying x = -3.5

Subproblem 2

Set the factor '(2 + -1x)' equal to zero and attempt to solve: Simplifying 2 + -1x = 0 Solving 2 + -1x = 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 + -1x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1x = 0 + -2 -1x = 0 + -2 Combine like terms: 0 + -2 = -2 -1x = -2 Divide each side by '-1'. x = 2 Simplifying x = 2

Solution

x = {-3.5, 2}

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