Evaluate
-90
Factor
-90
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20\times 6+30\left(-7\right)
Multiply 4 and 5 to get 20. Multiply -5 and -6 to get 30.
120+30\left(-7\right)
Multiply 20 and 6 to get 120.
120-210
Multiply 30 and -7 to get -210.
-90
Subtract 210 from 120 to get -90.
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