7(x^2)+49x=56

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Solution for 7(x^2)+49x=56 equation:


Simplifying
7(x2) + 49x = 56

Reorder the terms:
49x + 7x2 = 56

Solving
49x + 7x2 = 56

Solving for variable 'x'.

Reorder the terms:
-56 + 49x + 7x2 = 56 + -56

Combine like terms: 56 + -56 = 0
-56 + 49x + 7x2 = 0

Factor out the Greatest Common Factor (GCF), '7'.
7(-8 + 7x + x2) = 0

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

Ignore the factor 7.

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

Solution

x = {-8, 1}

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