(x+10)(x-3)=

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Solution for (x+10)(x-3)= equation:


Simplifying
(x + 10)(x + -3) = 0

Reorder the terms:
(10 + x)(x + -3) = 0

Reorder the terms:
(10 + x)(-3 + x) = 0

Multiply (10 + x) * (-3 + x)
(10(-3 + x) + x(-3 + x)) = 0
((-3 * 10 + x * 10) + x(-3 + x)) = 0
((-30 + 10x) + x(-3 + x)) = 0
(-30 + 10x + (-3 * x + x * x)) = 0
(-30 + 10x + (-3x + x2)) = 0

Combine like terms: 10x + -3x = 7x
(-30 + 7x + x2) = 0

Solving
-30 + 7x + x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-10 + -1x)(3 + -1x) = 0

Subproblem 1

Set the factor '(-10 + -1x)' equal to zero and attempt to solve: Simplifying -10 + -1x = 0 Solving -10 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '10' to each side of the equation. -10 + 10 + -1x = 0 + 10 Combine like terms: -10 + 10 = 0 0 + -1x = 0 + 10 -1x = 0 + 10 Combine like terms: 0 + 10 = 10 -1x = 10 Divide each side by '-1'. x = -10 Simplifying x = -10

Subproblem 2

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

Solution

x = {-10, 3}

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