8x+4=-2x^2+3x+1

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Solution for 8x+4=-2x^2+3x+1 equation:


Simplifying
8x + 4 = -2x2 + 3x + 1

Reorder the terms:
4 + 8x = -2x2 + 3x + 1

Reorder the terms:
4 + 8x = 1 + 3x + -2x2

Solving
4 + 8x = 1 + 3x + -2x2

Solving for variable 'x'.

Reorder the terms:
4 + -1 + 8x + -3x + 2x2 = 1 + 3x + -2x2 + -1 + -3x + 2x2

Combine like terms: 4 + -1 = 3
3 + 8x + -3x + 2x2 = 1 + 3x + -2x2 + -1 + -3x + 2x2

Combine like terms: 8x + -3x = 5x
3 + 5x + 2x2 = 1 + 3x + -2x2 + -1 + -3x + 2x2

Reorder the terms:
3 + 5x + 2x2 = 1 + -1 + 3x + -3x + -2x2 + 2x2

Combine like terms: 1 + -1 = 0
3 + 5x + 2x2 = 0 + 3x + -3x + -2x2 + 2x2
3 + 5x + 2x2 = 3x + -3x + -2x2 + 2x2

Combine like terms: 3x + -3x = 0
3 + 5x + 2x2 = 0 + -2x2 + 2x2
3 + 5x + 2x2 = -2x2 + 2x2

Combine like terms: -2x2 + 2x2 = 0
3 + 5x + 2x2 = 0

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

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 '(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 = {-1.5, -1}

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