35x^2+31x=40

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Solution for 35x^2+31x=40 equation:


Simplifying
35x2 + 31x = 40

Reorder the terms:
31x + 35x2 = 40

Solving
31x + 35x2 = 40

Solving for variable 'x'.

Reorder the terms:
-40 + 31x + 35x2 = 40 + -40

Combine like terms: 40 + -40 = 0
-40 + 31x + 35x2 = 0

Factor a trinomial.
(-8 + -5x)(5 + -7x) = 0

Subproblem 1

Set the factor '(-8 + -5x)' equal to zero and attempt to solve: Simplifying -8 + -5x = 0 Solving -8 + -5x = 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 + -5x = 0 + 8 Combine like terms: -8 + 8 = 0 0 + -5x = 0 + 8 -5x = 0 + 8 Combine like terms: 0 + 8 = 8 -5x = 8 Divide each side by '-5'. x = -1.6 Simplifying x = -1.6

Subproblem 2

Set the factor '(5 + -7x)' equal to zero and attempt to solve: Simplifying 5 + -7x = 0 Solving 5 + -7x = 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 + -7x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -7x = 0 + -5 -7x = 0 + -5 Combine like terms: 0 + -5 = -5 -7x = -5 Divide each side by '-7'. x = 0.7142857143 Simplifying x = 0.7142857143

Solution

x = {-1.6, 0.7142857143}

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