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Liono4ka [1.6K]

4 years ago

15

Factor the polynomial.3x^6y^2+81y^2

2 answers:

Elan Coil [88]4 years ago

6 0

<span>3x</span>⁶<span>y</span>²<span>+81y</span>² =
3y²(x⁶+27) =
3y²((x²)³+3³)=
3y²(x²+3)(x⁴-3x²+9)

Answer: D.

Zarrin [17]4 years ago

3 0

Answer is choice D

The reason why is...
3x^6y^2 + 81y^2 = 3y^2(x^6 + 27)
3x^6y^2 + 81y^2 = 3y^2((x^2)^3 + 3^3)
3x^6y^2 + 81y^2 = 3y^2(x^2 + 3)((x^2)^2 - (x^2)*3 + 3^2)
3x^6y^2 + 81y^2 = 3y^2(x^2 + 3)(x^4 - 3x^2 + 9)

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