f(t)=t^2-7.5t-20

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Solution for f(t)=t^2-7.5t-20 equation: 


Simplifying
f(t) = t2 + -7.5t + -20

Multiply f * t
ft = t2 + -7.5t + -20

Reorder the terms:
ft = -20 + -7.5t + t2

Solving
ft = -20 + -7.5t + t2

Solving for variable 'f'.

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

Divide each side by 't'.
f = -20t-1 + -7.5 + t

Simplifying
f = -20t-1 + -7.5 + t

Reorder the terms:
f = -7.5 + -20t-1 + t

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