7x^2+40=61x

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Solution for 7x^2+40=61x equation:


Simplifying
7x2 + 40 = 61x

Reorder the terms:
40 + 7x2 = 61x

Solving
40 + 7x2 = 61x

Solving for variable 'x'.

Reorder the terms:
40 + -61x + 7x2 = 61x + -61x

Combine like terms: 61x + -61x = 0
40 + -61x + 7x2 = 0

Factor a trinomial.
(5 + -7x)(8 + -1x) = 0

Subproblem 1

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

Subproblem 2

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

Solution

x = {0.7142857143, 8}

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