mervesena01
23.10.2019 •
Mathematics
Me with these set of questions! worth 15 points if you solve it !
1.)which statements are true?
1.) choose all answers that are correct.
–5b^4(7b^2 + 4) = –35b^8 – 20b^3
–4y^5(3y^3 + 2) = –12y^8 – 8y^5
–3c^6(4c^3 + 5) = –12c^9 – 15c^6
–6x^3(5x^3 + 3) = –30x^9 – 18x^3
2.) which expression is equal to (x – 3)(2x^2 + 3x – 4)?
2x^3 – 3x^2 + 13x – 12
5x^2 – 13x + 12
5x^2 + 13x – 12
2x^3 – 3x^2 – 13x + 12
6b3 + 9b2 – 12b
3.) which represents the polynomial in factored form?
3b^2(3b^2 + 6b – 9)
3b^3(2b^2 + 3b – 4)
3b(2b^2 + 3b – 4)
3b(2b^2 + 9b^2 – 12b)
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Ответ:
2.d 2x^3-3x^2-13x+12
3.c 3b(2b^2+3b-4)
Ответ:
(x-1)³+1
is correct option