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raketka [301]
3 years ago
11

I don’t understand this

Mathematics
1 answer:
Oxana [17]3 years ago
7 0

You have to multiply whats outside the parenthesis with everything that is inside, so

x^{-3}y^0.(x^2-3x^5y^4)

x^{-3}y^0.x^2-x^{-3}y^0.3x^5y^4

Multiplication of same bases we sum the exponents

x^{-3+2}y^0-3x^{-3+5}y^{0+4}

x^{-1}.1-3x^2y^4

x^{-1}-3x^2y^4

Alternative B.

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inn [45]

When you have this type of problem, you need to combine the like-terms and isolate the variable.

3x + 122 = 22x - 11

Add 11 to both sides to get rid of it

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Then you would bring the 3x to the other side, so subtract 3x from both sides

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Then divide both sides by 19 to isolate x

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The answer is
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