Mathematics, 28.05.2021 02:20, Jasminanai42

PLZ HELP Antonia is factoring the polynomial which has four terms.
21x^3-63x^2+15x-45
3[7x^3-21x^2+5x-15]
3[7x^2(x-3)+5(x-3)]

Which is the completely factored form of her polynomial?
A. 21x^2(x-3)
B. 36x^2(x-3)
C. 3(7x^2+5)(x-3)
D. 3(12x^2+5)(x-3)

Answers: 2

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PLZ HELP Antonia is factoring the polynomial which has four terms.
21x^3-63x^2+15x-45
3[7...