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2\times \frac{9}{16}+3\left(-\frac{3}{4}\right)-1
Calculate -\frac{3}{4} to the power of 2 and get \frac{9}{16}.
\frac{2\times 9}{16}+3\left(-\frac{3}{4}\right)-1
Express 2\times \frac{9}{16} as a single fraction.
\frac{18}{16}+3\left(-\frac{3}{4}\right)-1
Multiply 2 and 9 to get 18.
\frac{9}{8}+3\left(-\frac{3}{4}\right)-1
Reduce the fraction \frac{18}{16} to lowest terms by extracting and canceling out 2.
\frac{9}{8}+\frac{3\left(-3\right)}{4}-1
Express 3\left(-\frac{3}{4}\right) as a single fraction.
\frac{9}{8}+\frac{-9}{4}-1
Multiply 3 and -3 to get -9.
\frac{9}{8}-\frac{9}{4}-1
Fraction \frac{-9}{4} can be rewritten as -\frac{9}{4} by extracting the negative sign.
\frac{9}{8}-\frac{18}{8}-1
Least common multiple of 8 and 4 is 8. Convert \frac{9}{8} and \frac{9}{4} to fractions with denominator 8.
\frac{9-18}{8}-1
Since \frac{9}{8} and \frac{18}{8} have the same denominator, subtract them by subtracting their numerators.
-\frac{9}{8}-1
Subtract 18 from 9 to get -9.
-\frac{9}{8}-\frac{8}{8}
Convert 1 to fraction \frac{8}{8}.
\frac{-9-8}{8}
Since -\frac{9}{8} and \frac{8}{8} have the same denominator, subtract them by subtracting their numerators.
-\frac{17}{8}
Subtract 8 from -9 to get -17.