f(2.5)=2x^2-3+7

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Solution for f(2.5)=2x^2-3+7 equation: 


Simplifying
f(2.5) = 2x2 + -3 + 7

Reorder the terms for easier multiplication:
2.5f = 2x2 + -3 + 7

Reorder the terms:
2.5f = -3 + 7 + 2x2

Combine like terms: -3 + 7 = 4
2.5f = 4 + 2x2

Solving
2.5f = 4 + 2x2

Solving for variable 'f'.

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

Divide each side by '2.5'.
f = 1.6 + 0.8x2

Simplifying
f = 1.6 + 0.8x2

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