159=2x^2+3x+7

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Solution for 159=2x^2+3x+7 equation:


Simplifying
159 = 2x2 + 3x + 7

Reorder the terms:
159 = 7 + 3x + 2x2

Solving
159 = 7 + 3x + 2x2

Solving for variable 'x'.

Combine like terms: 159 + -7 = 152
152 + -3x + -2x2 = 7 + 3x + 2x2 + -7 + -3x + -2x2

Reorder the terms:
152 + -3x + -2x2 = 7 + -7 + 3x + -3x + 2x2 + -2x2

Combine like terms: 7 + -7 = 0
152 + -3x + -2x2 = 0 + 3x + -3x + 2x2 + -2x2
152 + -3x + -2x2 = 3x + -3x + 2x2 + -2x2

Combine like terms: 3x + -3x = 0
152 + -3x + -2x2 = 0 + 2x2 + -2x2
152 + -3x + -2x2 = 2x2 + -2x2

Combine like terms: 2x2 + -2x2 = 0
152 + -3x + -2x2 = 0

Factor a trinomial.
(8 + -1x)(19 + 2x) = 0

Subproblem 1

Set the factor '(8 + -1x)' equal to zero and attempt to solve: Simplifying 8 + -1x = 0 Solving 8 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + -1x = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -1x = 0 + -8 -1x = 0 + -8 Combine like terms: 0 + -8 = -8 -1x = -8 Divide each side by '-1'. x = 8 Simplifying x = 8

Subproblem 2

Set the factor '(19 + 2x)' equal to zero and attempt to solve: Simplifying 19 + 2x = 0 Solving 19 + 2x = 0 Move all terms containing x to the left, all other terms to the right. Add '-19' to each side of the equation. 19 + -19 + 2x = 0 + -19 Combine like terms: 19 + -19 = 0 0 + 2x = 0 + -19 2x = 0 + -19 Combine like terms: 0 + -19 = -19 2x = -19 Divide each side by '2'. x = -9.5 Simplifying x = -9.5

Solution

x = {8, -9.5}

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