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-14.25
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-14.25
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-12+4\times 0.5625-6\times 0.75
Calculate 0.75 to the power of 2 and get 0.5625.
-12+2.25-6\times 0.75
Multiply 4 and 0.5625 to get 2.25.
-9.75-6\times 0.75
Add -12 and 2.25 to get -9.75.
-9.75-4.5
Multiply 6 and 0.75 to get 4.5.
-14.25
Subtract 4.5 from -9.75 to get -14.25.
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