49x^2-10=-21x

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Solution for 49x^2-10=-21x equation:


Simplifying
49x2 + -10 = -21x

Reorder the terms:
-10 + 49x2 = -21x

Solving
-10 + 49x2 = -21x

Solving for variable 'x'.

Reorder the terms:
-10 + 21x + 49x2 = -21x + 21x

Combine like terms: -21x + 21x = 0
-10 + 21x + 49x2 = 0

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

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 '(2 + -7x)' equal to zero and attempt to solve: Simplifying 2 + -7x = 0 Solving 2 + -7x = 0 Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -7x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -7x = 0 + -2 -7x = 0 + -2 Combine like terms: 0 + -2 = -2 -7x = -2 Divide each side by '-7'. x = 0.2857142857 Simplifying x = 0.2857142857

Solution

x = {-0.7142857143, 0.2857142857}

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