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

Answer 1

Genesis Allen

#color(brown)(=> - 17#

#(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"#

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Answer 2

Jace Anderson

Simplify the expression: (4 - 2)^3 - 4 * 8 + 21 ÷ 3 = (2)^3 - 4 * 8 + 7 = 8 - 32 + 7 = -24 + 7 = -17

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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