7x^2+2x-17=47-46x

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Solution for 7x^2+2x-17=47-46x equation:


Simplifying
7x2 + 2x + -17 = 47 + -46x

Reorder the terms:
-17 + 2x + 7x2 = 47 + -46x

Solving
-17 + 2x + 7x2 = 47 + -46x

Solving for variable 'x'.

Reorder the terms:
-17 + -47 + 2x + 46x + 7x2 = 47 + -46x + -47 + 46x

Combine like terms: -17 + -47 = -64
-64 + 2x + 46x + 7x2 = 47 + -46x + -47 + 46x

Combine like terms: 2x + 46x = 48x
-64 + 48x + 7x2 = 47 + -46x + -47 + 46x

Reorder the terms:
-64 + 48x + 7x2 = 47 + -47 + -46x + 46x

Combine like terms: 47 + -47 = 0
-64 + 48x + 7x2 = 0 + -46x + 46x
-64 + 48x + 7x2 = -46x + 46x

Combine like terms: -46x + 46x = 0
-64 + 48x + 7x2 = 0

Factor a trinomial.
(-8 + -1x)(8 + -7x) = 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 '(8 + -7x)' equal to zero and attempt to solve: Simplifying 8 + -7x = 0 Solving 8 + -7x = 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 + -7x = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -7x = 0 + -8 -7x = 0 + -8 Combine like terms: 0 + -8 = -8 -7x = -8 Divide each side by '-7'. x = 1.142857143 Simplifying x = 1.142857143

Solution

x = {-8, 1.142857143}

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