simplify the following
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Answer:
-39,123
Step-by-step explanation:
a.(-7)+(-6)+2-[(-5)×(-4)-(-3-5)]
(-7)+(-6)+2-[20-(-3-5)]
(-7)+(-6)+2-[20-(-8)]
(-7)+(-6)+2-[20+8]
(-7)+(-6)+2-28
-13+2-28
-39
b.121+[17-{15-3(8-5)}]
121+[17-{15-3+3}]
121+[17-{15+0}]
121+[17-15]
121+2
123
Hope It helps !
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