Question

Multiply the polynomial expressions (2x^2−3)(x+5).
2x2−3x−15
2 x squared minus 3 x minus 15

2x3+10x2−3x−15
2 x cubed plus 10 x squared minus 3 x minus 15

3x3+10x2−3x−15
3 x cubed plus 10 x squared minus 3 x minus 15

3x2+7x−15
3 x squared plus 7 x minus 15

Answer 1

Which of the following responses shows that polynomials form a closed system under multiplication?
13)(x4−2)
left parenthesis Start Fraction 1 over 3 End Fraction right parenthesis left parenthesis Start Fraction x over 4 End Fraction minus 2 right parenthesis

5x⋅2
5 x times 2

2x3+x2
2 x cubed plus x squared

5⋅3
5 times 3

Answer 2

No bot

Answer 3

Still wrong

Answer 4

Quit giving me the same answer

Answer 5

The correct answer is 2x^3+7x^2-3x-15

Answer 6

The correct answer is: 2x^3 + x^2

Answer 7

My apologies for the mistake. The correct answer is: (2x^3 + x^2)

Answer 8

I apologize for the incorrect response. The correct answer is: (2x^3 + x^2)

Answer 9

I apologize for the repeated incorrect response. The correct answer is: (2x^3 + x^2)