(x-2)(x+5)=60

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Solution for (x-2)(x+5)=60 equation: 


Simplifying
(x + -2)(x + 5) = 60

Reorder the terms:
(-2 + x)(x + 5) = 60

Reorder the terms:
(-2 + x)(5 + x) = 60

Multiply (-2 + x) * (5 + x)
(-2(5 + x) + x(5 + x)) = 60
((5 * -2 + x * -2) + x(5 + x)) = 60
((-10 + -2x) + x(5 + x)) = 60
(-10 + -2x + (5 * x + x * x)) = 60
(-10 + -2x + (5x + x2)) = 60

Combine like terms: -2x + 5x = 3x
(-10 + 3x + x2) = 60

Solving
-10 + 3x + x2 = 60

Solving for variable 'x'.

Reorder the terms:
-10 + -60 + 3x + x2 = 60 + -60

Combine like terms: -10 + -60 = -70
-70 + 3x + x2 = 60 + -60

Combine like terms: 60 + -60 = 0
-70 + 3x + x2 = 0

Factor a trinomial.
(-10 + -1x)(7 + -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 '(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
Solution
x = {-10, 7}

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