7x^2+8x-14=58-47x

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Solution for 7x^2+8x-14=58-47x equation:


Simplifying
7x2 + 8x + -14 = 58 + -47x

Reorder the terms:
-14 + 8x + 7x2 = 58 + -47x

Solving
-14 + 8x + 7x2 = 58 + -47x

Solving for variable 'x'.

Reorder the terms:
-14 + -58 + 8x + 47x + 7x2 = 58 + -47x + -58 + 47x

Combine like terms: -14 + -58 = -72
-72 + 8x + 47x + 7x2 = 58 + -47x + -58 + 47x

Combine like terms: 8x + 47x = 55x
-72 + 55x + 7x2 = 58 + -47x + -58 + 47x

Reorder the terms:
-72 + 55x + 7x2 = 58 + -58 + -47x + 47x

Combine like terms: 58 + -58 = 0
-72 + 55x + 7x2 = 0 + -47x + 47x
-72 + 55x + 7x2 = -47x + 47x

Combine like terms: -47x + 47x = 0
-72 + 55x + 7x2 = 0

Factor a trinomial.
(-9 + -1x)(8 + -7x) = 0

Subproblem 1

Set the factor '(-9 + -1x)' equal to zero and attempt to solve: Simplifying -9 + -1x = 0 Solving -9 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '9' to each side of the equation. -9 + 9 + -1x = 0 + 9 Combine like terms: -9 + 9 = 0 0 + -1x = 0 + 9 -1x = 0 + 9 Combine like terms: 0 + 9 = 9 -1x = 9 Divide each side by '-1'. x = -9 Simplifying x = -9

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 = {-9, 1.142857143}

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