How do you evaluate $2(3-5)^3+4(-4+7)$ ?

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Answer 1 · 2017-04-09T15:11:46

$2(3-5)^3 + 4(-4 +7) = -4$

Order of operations (PEMDAS: parentheses, exponents, multiplication/division, addition/subtraction) requires parentheses to be completed first:

$2(3-5)^3 + 4(-4 +7)$
$= 2(-2)^3 + 4(3)$

Next evaluate the exponent:

$= 2(-8) + 4(3)$

Next complete the multiplication:

$= -16 + 12$

Finally do the addition:

$2(3-5)^3 + 4(-4 +7) = -4$

Answer 2 · 2017-04-09T15:30:12

$color(blue)-4$

$2(3-5)^3+4(-4+7)$

$:.=2(-2)^3+4(3)$

$:.=2(-2*-2*-2)+12$

$:.=2 xx - 8+12$

$:.=-16+12$

$:.color(blue)(=-4$

How do you evaluate 2(3-5)^3+4(-4+7)2(3-5)^3+4(-4+7)?