Evaluate
-12
Factor
-12
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\frac{45\left(70-30\right)}{150-300}
Cancel out 10 in both numerator and denominator.
\frac{45\times 40}{150-300}
Subtract 30 from 70 to get 40.
\frac{1800}{150-300}
Multiply 45 and 40 to get 1800.
\frac{1800}{-150}
Subtract 300 from 150 to get -150.
-12
Divide 1800 by -150 to get -12.
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