3 years ago

If a = 6 and b = 2, what is the value of the following expression? (a + b)^3 - 3ab(a + b)

2 answers:

7 0

Pemdas
sub them

(6+2)³-3(6)(2)(6+2)
parenthasees simplify
(8)³-3(6)(2)(8)
exponents
512-3(6)(2)(8)
multiply
512-18(2)(8)
512-36(8)
512-288
244

Nimfa-mama [501]3 years ago

3 0

The value would 223. all that needs to be done is substitute 6 for a and 3 for b.

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