deondresmith5072 deondresmith5072

28-11-2017
Mathematics

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Write –2x2(–5x2 + 4x3) in standard form

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martinmuriungik martinmuriungik

29-11-2017

We open the brackets

And use the laws of indices

-2x^2(-5X^2+4X^3)

Opening brackets

10X^4-8X^5 we get X^4 and X^5 because the terms we have multiplied have common bases and therefore we have added the powers

Hence our answer is 10X^4-8X^5

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