Answer:
Answer is -32.
Step-by-step explanation:
a= -2
b=7
Expression: a(b2-a)
-2(7*2--2) (Place 'a' and 'b' values)
= -2(14+2) (Solve inside the bracket)
= -28-4 (Multiply -2 with the values inside the bracket)
= -32 (ans)
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