3x^2+11x=70

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Solution for 3x^2+11x=70 equation:


Simplifying
3x2 + 11x = 70

Reorder the terms:
11x + 3x2 = 70

Solving
11x + 3x2 = 70

Solving for variable 'x'.

Reorder the terms:
-70 + 11x + 3x2 = 70 + -70

Combine like terms: 70 + -70 = 0
-70 + 11x + 3x2 = 0

Factor a trinomial.
(-7 + -1x)(10 + -3x) = 0

Subproblem 1

Set the factor '(-7 + -1x)' equal to zero and attempt to solve: Simplifying -7 + -1x = 0 Solving -7 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + -1x = 0 + 7 Combine like terms: -7 + 7 = 0 0 + -1x = 0 + 7 -1x = 0 + 7 Combine like terms: 0 + 7 = 7 -1x = 7 Divide each side by '-1'. x = -7 Simplifying x = -7

Subproblem 2

Set the factor '(10 + -3x)' equal to zero and attempt to solve: Simplifying 10 + -3x = 0 Solving 10 + -3x = 0 Move all terms containing x to the left, all other terms to the right. Add '-10' to each side of the equation. 10 + -10 + -3x = 0 + -10 Combine like terms: 10 + -10 = 0 0 + -3x = 0 + -10 -3x = 0 + -10 Combine like terms: 0 + -10 = -10 -3x = -10 Divide each side by '-3'. x = 3.333333333 Simplifying x = 3.333333333

Solution

x = {-7, 3.333333333}

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