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ozzi
3 years ago
5

How to do order of operations and evaluating expressions

Mathematics
2 answers:
Reil [10]3 years ago
7 0
PEMDAS

Parentheses, exponents, multiplication, division, addition, subtraction.
Andreas93 [3]3 years ago
4 0
Order of operations is parenthesis first then multiplicate and divide then add and subtract
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PLZ HURRY!!!!!!!!!!!!!<br> Simplify. <br> −4x^2(5x^4−3x^2+x−2)
Simora [160]

\bold{Answer}

\boxed{\bold{-20x^6+12x^4-4x^3+8x^2}}

\bold{Explanation}

  • \bold{Simplify: \ -4x^2\left(5x^4-3x^2+x-2\right)}

\bold{------------------}

  • \bold{Distribute \ Parenthesis}

\bold{\left(-4x^2\right)\cdot \:5x^4+\left(-4x^2\right)\left(-3x^2\right)+\left(-4x^2\right)x+\left(-4x^2\right)\left(-2\right)}

  • \bold{Apply \ Addition \ / \ Subtraction \ Rules: \ +\left(-a\right)=-a,\:\:\left(-a\right)\left(-b\right)=ab}

\bold{-4\cdot \:5x^4x^2+4\cdot \:3x^2x^2-4x^2x+4\cdot \:2x^2}

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\bold{-20x^6+12x^4-4x^3+8x^2}

\boxed{\bold{Eclipsed}}

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Assoli18 [71]
The answer would be D. 
8 0
3 years ago
Read 2 more answers
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