If $a=12, b=9$ , and $c=4$ , what is $(2c^3-ab)/4$ ?

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Answer 1 · 2018-03-11T19:12:59

$5$

Substitute all the values you have into the given expression

$(2*4^3-12*9)/4$

Simplify

$20/4=5$

Answer 2 · 2018-03-11T19:14:12

5

Plug all inside:
$(2*4^3 - 12*9)/ 4$ = $(128 - 108)/4$ = $20/4 = 5$

If a=12, b=9a=12, b=9, and c=4c=4, what is (2c^3-ab)/4(2c^3-ab)/4?