How do you simplify $(4-2)^3-4*8+21div3$ ?

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Answer 1 · 2018-04-20T09:40:57

$color(brown)(=> - 17$

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$(4-2)^3 - 4 * 8 + 21 / 3$

$=>2^3 - 4 * 8 + 21/3, " removing parantheses"$

$=> 8 - 4*8 + 21/3, " eliminating the exponent"$

$=> 8 - 32 + 21/3, " multiplying"$

$=> 8 - 32 + 7, " dividing"$

$=> 15 - 32, " adding"$

$=> - 17, " subtracting"$

How do you simplify (4-2)^3-4*8+21div3(4-2)^3-4*8+21div3?