10x^2=-21x+10

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


Simplifying
10x2 = -21x + 10

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

Solving
10x2 = 10 + -21x

Solving for variable 'x'.

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

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

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

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

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

Subproblem 1

Set the factor '(-5 + -2x)' equal to zero and attempt to solve: Simplifying -5 + -2x = 0 Solving -5 + -2x = 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 + -2x = 0 + 5 Combine like terms: -5 + 5 = 0 0 + -2x = 0 + 5 -2x = 0 + 5 Combine like terms: 0 + 5 = 5 -2x = 5 Divide each side by '-2'. x = -2.5 Simplifying x = -2.5

Subproblem 2

Set the factor '(2 + -5x)' equal to zero and attempt to solve: Simplifying 2 + -5x = 0 Solving 2 + -5x = 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 + -5x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -5x = 0 + -2 -5x = 0 + -2 Combine like terms: 0 + -2 = -2 -5x = -2 Divide each side by '-5'. x = 0.4 Simplifying x = 0.4

Solution

x = {-2.5, 0.4}

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