blackcoke blackcoke

03-10-2015
Mathematics

contestada

(5y^4-3y^3+2y^2-6y+5)+(-3y^+6y^3-4y^2-4y-8)

can someone simplify that

5y43y32y26y53y6y34y24y8 can someone simplify that class=

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geoplosion geoplosion

03-10-2015

assuming in the second bracket, 3y is to the power of 4:
you put each power seperatly:
5y^4+(-3y^4)
-3y^3+6y^3
2y^2+(-4y^2)
-6y+-4y
5+(-8)

you get:
2y^4
3y^3
-2y^2
-10y
-2

so the answer is 2y^4+3y^3-2y^2-10y-2

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