28x^2=10-6x

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Solution for 28x^2=10-6x equation:


Simplifying
28x2 = 10 + -6x

Solving
28x2 = 10 + -6x

Solving for variable 'x'.

Reorder the terms:
-10 + 6x + 28x2 = 10 + -6x + -10 + 6x

Reorder the terms:
-10 + 6x + 28x2 = 10 + -10 + -6x + 6x

Combine like terms: 10 + -10 = 0
-10 + 6x + 28x2 = 0 + -6x + 6x
-10 + 6x + 28x2 = -6x + 6x

Combine like terms: -6x + 6x = 0
-10 + 6x + 28x2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(-5 + 3x + 14x2) = 0

Factor a trinomial.
2((-5 + -7x)(1 + -2x)) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(-5 + -7x)' equal to zero and attempt to solve: Simplifying -5 + -7x = 0 Solving -5 + -7x = 0 Move all terms containing x to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + -7x = 0 + 5 Combine like terms: -5 + 5 = 0 0 + -7x = 0 + 5 -7x = 0 + 5 Combine like terms: 0 + 5 = 5 -7x = 5 Divide each side by '-7'. x = -0.7142857143 Simplifying x = -0.7142857143

Subproblem 2

Set the factor '(1 + -2x)' equal to zero and attempt to solve: Simplifying 1 + -2x = 0 Solving 1 + -2x = 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 + -2x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -2x = 0 + -1 -2x = 0 + -1 Combine like terms: 0 + -1 = -1 -2x = -1 Divide each side by '-2'. x = 0.5 Simplifying x = 0.5

Solution

x = {-0.7142857143, 0.5}

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