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bearhunter [10]
3 years ago
5

Which shows the simplified form of the expression below? 90y^4-120y-360y^3+30y^2

Mathematics
1 answer:
emmasim [6.3K]3 years ago
6 0

Answer:

90y^4-120y-360y^3+30y^2 = 30y((y  - 4)(3y^2+1))

Step-by-step explanation:

Given

90y^4-120y-360y^3+30y^2

Required

Simplify

90y^4-120y-360y^3+30y^2

Factor out 30y

90y^4-120y-360y^3+30y^2 = 30y(3y^3 - 4 - 12y^2 + y)

Reorder the expression

90y^4-120y-360y^3+30y^2 = 30y(3y^3  - 12y^2 +y - 4 )

Factorize

90y^4-120y-360y^3+30y^2 = 30y(3y^2(y  - 4) +(y - 4) )

Combine the factors

90y^4-120y-360y^3+30y^2 = 30y((3y^2+1)(y  - 4))

Rewrite as:

90y^4-120y-360y^3+30y^2 = 30y((y  - 4)(3y^2+1))

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