Question

Find the value of a^2 - ( b + 1)^3 when, a = 1/2, b = - 3/4
Please Answer step by step
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Answer 1

(1/2)^2 - ((-3/4)+1)^3

1/4 - 1/64

15/64

Answer 2

15/64

Explanation:

a^2 - ( b + 1)^3

Let a = 1/2 and b = -3/4

(1/2)^2 - ( -3/4 + 1)^3

Parentheses first

(1/2)^2 - ( 1/4)^3

Exponents

1/4 - 1/64

Get a common denominator and subtract

16/64 -1/64

15/64