7x^2+3x-17=10-9x

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Solution for 7x^2+3x-17=10-9x equation:


Simplifying
7x2 + 3x + -17 = 10 + -9x

Reorder the terms:
-17 + 3x + 7x2 = 10 + -9x

Solving
-17 + 3x + 7x2 = 10 + -9x

Solving for variable 'x'.

Reorder the terms:
-17 + -10 + 3x + 9x + 7x2 = 10 + -9x + -10 + 9x

Combine like terms: -17 + -10 = -27
-27 + 3x + 9x + 7x2 = 10 + -9x + -10 + 9x

Combine like terms: 3x + 9x = 12x
-27 + 12x + 7x2 = 10 + -9x + -10 + 9x

Reorder the terms:
-27 + 12x + 7x2 = 10 + -10 + -9x + 9x

Combine like terms: 10 + -10 = 0
-27 + 12x + 7x2 = 0 + -9x + 9x
-27 + 12x + 7x2 = -9x + 9x

Combine like terms: -9x + 9x = 0
-27 + 12x + 7x2 = 0

Factor a trinomial.
(-3 + -1x)(9 + -7x) = 0

Subproblem 1

Set the factor '(-3 + -1x)' equal to zero and attempt to solve: Simplifying -3 + -1x = 0 Solving -3 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + -1x = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -1x = 0 + 3 -1x = 0 + 3 Combine like terms: 0 + 3 = 3 -1x = 3 Divide each side by '-1'. x = -3 Simplifying x = -3

Subproblem 2

Set the factor '(9 + -7x)' equal to zero and attempt to solve: Simplifying 9 + -7x = 0 Solving 9 + -7x = 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 + -7x = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -7x = 0 + -9 -7x = 0 + -9 Combine like terms: 0 + -9 = -9 -7x = -9 Divide each side by '-7'. x = 1.285714286 Simplifying x = 1.285714286

Solution

x = {-3, 1.285714286}

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