Write as a polynomial: y^2(y+5)(y–3)

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theanimalside theanimalside

10-01-2017
Mathematics

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Write as a polynomial: y^2(y+5)(y–3)

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apologiabiology apologiabiology · Answer 1 · 2017-01-10T22:45:06+01:00

apologiabiology apologiabiology

10-01-2017

you mean expand

so first do the parnethesees bits becasue the rest can be done later

(y+5)(y-3)
foil aka distribute
y^2+5y-3y-15
y^2+2y-15

now remember tha tis all multilied by y^2
y^2(y^2+2y-15)
y^4+2y^3-15y^2

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