kbest02 kbest02

03-04-2020
Mathematics

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Find the sum of the given polynomials. 3x ^2 + 2x - 5 and -4 + 7x ^2

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andreamoss andreamoss

03-04-2020

Answer:

10x^2 +2x -9

Step-by-step explanation:

Group things that are alike and simplify

(3x^2+7x^2) = 10x^2

(2x) nothing to add or subtract with it so it stays positive 2x= +2x

(-5-4) = -9

Then put the answer from highest degree to lowest

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daylaindanial29 daylaindanial29

03-04-2020

That I’d right that’s what I got

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