10x+0.5(-10)*x^2=15(x+1)+0.5(-10)*x^2

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Solution for 10x+0.5(-10)*x^2=15(x+1)+0.5(-10)*x^2 equation:


Simplifying
10x + 0.5(-10) * x2 = 15(x + 1) + 0.5(-10) * x2

Multiply 0.5 * -10
10x + -5x2 = 15(x + 1) + 0.5(-10) * x2

Reorder the terms:
10x + -5x2 = 15(1 + x) + 0.5(-10) * x2
10x + -5x2 = (1 * 15 + x * 15) + 0.5(-10) * x2
10x + -5x2 = (15 + 15x) + 0.5(-10) * x2

Multiply 0.5 * -10
10x + -5x2 = 15 + 15x + -5x2

Add '5x2' to each side of the equation.
10x + -5x2 + 5x2 = 15 + 15x + -5x2 + 5x2

Combine like terms: -5x2 + 5x2 = 0
10x + 0 = 15 + 15x + -5x2 + 5x2
10x = 15 + 15x + -5x2 + 5x2

Combine like terms: -5x2 + 5x2 = 0
10x = 15 + 15x + 0
10x = 15 + 15x

Solving
10x = 15 + 15x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-15x' to each side of the equation.
10x + -15x = 15 + 15x + -15x

Combine like terms: 10x + -15x = -5x
-5x = 15 + 15x + -15x

Combine like terms: 15x + -15x = 0
-5x = 15 + 0
-5x = 15

Divide each side by '-5'.
x = -3

Simplifying
x = -3

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