0=-x^2+3x+10

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Solution for 0=-x^2+3x+10 equation: 


Simplifying
0 = -1x2 + 3x + 10

Reorder the terms:
0 = 10 + 3x + -1x2

Solving
0 = 10 + 3x + -1x2

Solving for variable 'x'.

Combine like terms: 0 + -10 = -10
-10 + -3x + x2 = 10 + 3x + -1x2 + -10 + -3x + x2

Reorder the terms:
-10 + -3x + x2 = 10 + -10 + 3x + -3x + -1x2 + x2

Combine like terms: 10 + -10 = 0
-10 + -3x + x2 = 0 + 3x + -3x + -1x2 + x2
-10 + -3x + x2 = 3x + -3x + -1x2 + x2

Combine like terms: 3x + -3x = 0
-10 + -3x + x2 = 0 + -1x2 + x2
-10 + -3x + x2 = -1x2 + x2

Combine like terms: -1x2 + x2 = 0
-10 + -3x + x2 = 0

Factor a trinomial.
(-2 + -1x)(5 + -1x) = 0


Subproblem 1
Set the factor '(-2 + -1x)' equal to zero and attempt to solve:

Simplifying
-2 + -1x = 0

Solving
-2 + -1x = 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 + -1x = 0 + 2

Combine like terms: -2 + 2 = 0
0 + -1x = 0 + 2
-1x = 0 + 2

Combine like terms: 0 + 2 = 2
-1x = 2

Divide each side by '-1'.
x = -2

Simplifying
x = -2

Subproblem 2
Set the factor '(5 + -1x)' equal to zero and attempt to solve:

Simplifying
5 + -1x = 0

Solving
5 + -1x = 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 + -1x = 0 + -5

Combine like terms: 5 + -5 = 0
0 + -1x = 0 + -5
-1x = 0 + -5

Combine like terms: 0 + -5 = -5
-1x = -5

Divide each side by '-1'.
x = 5

Simplifying
x = 5
Solution
x = {-2, 5}

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