f(x)=15x^2+100x-70-(17x-6x^2)

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Solution for f(x)=15x^2+100x-70-(17x-6x^2) equation: 


Simplifying
f(x) = 15x2 + 100x + -70 + -1(17x + -6x2)

Multiply f * x
fx = 15x2 + 100x + -70 + -1(17x + -6x2)
fx = 15x2 + 100x + -70 + (17x * -1 + -6x2 * -1)
fx = 15x2 + 100x + -70 + (-17x + 6x2)

Reorder the terms:
fx = -70 + 100x + -17x + 15x2 + 6x2

Combine like terms: 100x + -17x = 83x
fx = -70 + 83x + 15x2 + 6x2

Combine like terms: 15x2 + 6x2 = 21x2
fx = -70 + 83x + 21x2

Solving
fx = -70 + 83x + 21x2

Solving for variable 'f'.

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

Divide each side by 'x'.
f = -70x-1 + 83 + 21x

Simplifying
f = -70x-1 + 83 + 21x

Reorder the terms:
f = 83 + -70x-1 + 21x

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