manahil6744 manahil6744

26-04-2021
Mathematics

contestada

Given that a = -2 and b = 7 ,evaluate the following algebraic expression

(1) a(b2 -a)

Respuesta :

Binay5524 Binay5524

26-04-2021

Answer:

-2(14--2)

-2*19

38.

I think this is the correct answer. Thanks

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Solvemyquestion Solvemyquestion

26-04-2021

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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