Solve f(x)=(9x^2-25)/(9x^2+25) , f(1)

Math
,
Replace the variable with in the expression.
Simplify .
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Remove parentheses.
Simplify the numerator.
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One to any power is one.
Multiply by .
Subtract from .
Simplify the denominator.
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One to any power is one.
Multiply by .
Add and .
Reduce the expression by cancelling the common factors.
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Cancel the common factor of and .
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Factor out of .
Cancel the common factors.
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Factor out of .
Cancel the common factor.
Rewrite the expression.
Move the negative in front of the fraction.
Solve f(x)=(9x^2-25)/(9x^2+25) , f(1)

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