10X^2-20X-630=0

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Solution for 10X^2-20X-630=0 equation:


Simplifying
10X2 + -20X + -630 = 0

Reorder the terms:
-630 + -20X + 10X2 = 0

Solving
-630 + -20X + 10X2 = 0

Solving for variable 'X'.

Factor out the Greatest Common Factor (GCF), '10'.
10(-63 + -2X + X2) = 0

Factor a trinomial.
10((-7 + -1X)(9 + -1X)) = 0

Ignore the factor 10.

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 '(9 + -1X)' equal to zero and attempt to solve: Simplifying 9 + -1X = 0 Solving 9 + -1X = 0 Move all terms containing X to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + -1X = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -1X = 0 + -9 -1X = 0 + -9 Combine like terms: 0 + -9 = -9 -1X = -9 Divide each side by '-1'. X = 9 Simplifying X = 9

Solution

X = {-7, 9}

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