Evaluate
-15
Factor
-15
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-\left(7-\left(3+2\right)-5+7\right)-\left(8-\left(-3\left(-4+5\right)\right)\right)
Add 2 and 5 to get 7.
-\left(7-5-5+7\right)-\left(8-\left(-3\left(-4+5\right)\right)\right)
Add 3 and 2 to get 5.
-\left(2-5+7\right)-\left(8-\left(-3\left(-4+5\right)\right)\right)
Subtract 5 from 7 to get 2.
-\left(-3+7\right)-\left(8-\left(-3\left(-4+5\right)\right)\right)
Subtract 5 from 2 to get -3.
-4-\left(8-\left(-3\left(-4+5\right)\right)\right)
Add -3 and 7 to get 4.
-4-\left(8-\left(-3\right)\right)
Add -4 and 5 to get 1.
-4-\left(8+3\right)
The opposite of -3 is 3.
-4-11
Add 8 and 3 to get 11.
-15
Subtract 11 from -4 to get -15.
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