(2x+5)(x-10)=

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Solution for (2x+5)(x-10)= equation: 


Simplifying
(2x + 5)(x + -10) = 0

Reorder the terms:
(5 + 2x)(x + -10) = 0

Reorder the terms:
(5 + 2x)(-10 + x) = 0

Multiply (5 + 2x) * (-10 + x)
(5(-10 + x) + 2x * (-10 + x)) = 0
((-10 * 5 + x * 5) + 2x * (-10 + x)) = 0
((-50 + 5x) + 2x * (-10 + x)) = 0
(-50 + 5x + (-10 * 2x + x * 2x)) = 0
(-50 + 5x + (-20x + 2x2)) = 0

Combine like terms: 5x + -20x = -15x
(-50 + -15x + 2x2) = 0

Solving
-50 + -15x + 2x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-5 + -2x)(10 + -1x) = 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 '(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
Solution
x = {-2.5, 10}

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