25=-5x^2+30x+25

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Solution for 25=-5x^2+30x+25 equation:


Simplifying
25 = -5x2 + 30x + 25

Reorder the terms:
25 = 25 + 30x + -5x2

Add '-25' to each side of the equation.
25 + -25 = 25 + 30x + -25 + -5x2

Combine like terms: 25 + -25 = 0
0 = 25 + 30x + -25 + -5x2

Reorder the terms:
0 = 25 + -25 + 30x + -5x2

Combine like terms: 25 + -25 = 0
0 = 0 + 30x + -5x2
0 = 30x + -5x2

Solving
0 = 30x + -5x2

Solving for variable 'x'.
Remove the zero:
-30x + 5x2 = 30x + -5x2 + -30x + 5x2

Reorder the terms:
-30x + 5x2 = 30x + -30x + -5x2 + 5x2

Combine like terms: 30x + -30x = 0
-30x + 5x2 = 0 + -5x2 + 5x2
-30x + 5x2 = -5x2 + 5x2

Combine like terms: -5x2 + 5x2 = 0
-30x + 5x2 = 0

Factor out the Greatest Common Factor (GCF), '5x'.
5x(-6 + x) = 0

Ignore the factor 5.

Subproblem 1

Set the factor 'x' equal to zero and attempt to solve: Simplifying x = 0 Solving x = 0 Move all terms containing x to the left, all other terms to the right. Simplifying x = 0

Subproblem 2

Set the factor '(-6 + x)' equal to zero and attempt to solve: Simplifying -6 + x = 0 Solving -6 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '6' to each side of the equation. -6 + 6 + x = 0 + 6 Combine like terms: -6 + 6 = 0 0 + x = 0 + 6 x = 0 + 6 Combine like terms: 0 + 6 = 6 x = 6 Simplifying x = 6

Solution

x = {0, 6}

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