5x^2+3x+1=2x+7

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Solution for 5x^2+3x+1=2x+7 equation:


Simplifying
5x2 + 3x + 1 = 2x + 7

Reorder the terms:
1 + 3x + 5x2 = 2x + 7

Reorder the terms:
1 + 3x + 5x2 = 7 + 2x

Solving
1 + 3x + 5x2 = 7 + 2x

Solving for variable 'x'.

Reorder the terms:
1 + -7 + 3x + -2x + 5x2 = 7 + 2x + -7 + -2x

Combine like terms: 1 + -7 = -6
-6 + 3x + -2x + 5x2 = 7 + 2x + -7 + -2x

Combine like terms: 3x + -2x = 1x
-6 + 1x + 5x2 = 7 + 2x + -7 + -2x

Reorder the terms:
-6 + 1x + 5x2 = 7 + -7 + 2x + -2x

Combine like terms: 7 + -7 = 0
-6 + 1x + 5x2 = 0 + 2x + -2x
-6 + 1x + 5x2 = 2x + -2x

Combine like terms: 2x + -2x = 0
-6 + 1x + 5x2 = 0

Factor a trinomial.
(-6 + -5x)(1 + -1x) = 0

Subproblem 1

Set the factor '(-6 + -5x)' equal to zero and attempt to solve: Simplifying -6 + -5x = 0 Solving -6 + -5x = 0 Move all terms containing x to the left, all other terms to the right. Add '6' to each side of the equation. -6 + 6 + -5x = 0 + 6 Combine like terms: -6 + 6 = 0 0 + -5x = 0 + 6 -5x = 0 + 6 Combine like terms: 0 + 6 = 6 -5x = 6 Divide each side by '-5'. x = -1.2 Simplifying x = -1.2

Subproblem 2

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

Solution

x = {-1.2, 1}

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