5x^2+14x+7=10

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Solution for 5x^2+14x+7=10 equation:


Simplifying
5x2 + 14x + 7 = 10

Reorder the terms:
7 + 14x + 5x2 = 10

Solving
7 + 14x + 5x2 = 10

Solving for variable 'x'.

Reorder the terms:
7 + -10 + 14x + 5x2 = 10 + -10

Combine like terms: 7 + -10 = -3
-3 + 14x + 5x2 = 10 + -10

Combine like terms: 10 + -10 = 0
-3 + 14x + 5x2 = 0

Factor a trinomial.
(-3 + -1x)(1 + -5x) = 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 '(1 + -5x)' equal to zero and attempt to solve: Simplifying 1 + -5x = 0 Solving 1 + -5x = 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 + -5x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -5x = 0 + -1 -5x = 0 + -1 Combine like terms: 0 + -1 = -1 -5x = -1 Divide each side by '-5'. x = 0.2 Simplifying x = 0.2

Solution

x = {-3, 0.2}

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