Math help please

posted by .

2. –3m(m + 8)

–3m^2 + 24
–3m^2 – 24m
–24m^2
–4m + 5

4. (3x + 4)(x – 2)

3x^2 – 2x – 8
x – 8
3x – 2x – 8
3x^2 + 2x + 8

5. (2y – 1)(4y – 3)

–2y + 3
8y^2 – 10y – 3
8y^2 – 10y + 3
8y^2 – 2y + 3

My answers:
2. –3m^2 – 24m
4. (3x + 4)(x – 2) = 3x^2 – 2x – 8
5. 8y^2 – 2y + 3

  • Math help please -

    All are right.

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. science

    At a construction site a pipe wrench struck the ground wiht a speed of 24 m/s. a) From what height was it inadvertently fropped?
  2. Physics

    A daredevil attempts to swing from the roof of a 24m high bulding to the bottom of an identical building using a 24m rope. He starts from rest with the rope horizontal, but the rope will break if the tension force in it is twice the …
  3. 7th Grade Math ~Multiplying Polynomials

    1. (2x)(10x) (1point) 20x 12x 20x^2** 5x 2. -3m(m+8) (1point) -3m^2+24 -3m^2-24m** -24m^2 -4m+5 3. 4d(2d-9) (1point) 8d-36d -d -28d^2** 8d^2-36d 4. 5b(6b-10) 11b-10 5b^2+6b-10 -b-10 30b^2-50b** Are these right
  4. Math Help!

    1. Find the product. (2x)(10x) 20x 12x 20x^2 5x 2. -3m(m + 8) -3m^2 + 24 -3m^2 + 24m -24m^2 -4m + 5 3. 4d(2d - 9) 8d - 36d -d -28d^2 8d^2 - 36d
  5. Math check

    1.(2x)(10x) A)20x* B)12x C)20x^2 D)5x 2.-3m(m + 8) A)-3m^2 + 24 B)-3m^2 - 24m C)-24m D)-4m + 5* 3. 4d(2d-9) A)8d - 36d* B)-d C)-28d^2 D)8d^2 - 36d 4. (3x + 4)(x-2) A)3x^2 - 2x - 8 B)x - 8 C)3x - 2x - 8* D)3x^2 + 2x + 8 5. (2y - 1)(4y …
  6. math help please

    Find the product. -3m(m+8) A.-3m^2+42 B.-3m^2-24m C.-24m^2 D.-4m+5 Is the answer B?
  7. math

    -3m(m+8) a.) -3m^2 + 24 b.) 3m^2 - 24m c.) -24m^2 d.) -4m + 5
  8. Math

    -3m(m+8) A.-3m^2+24 B.-3m^2-24m C.-24m^2 D.-4m+5
  9. math

    1. (2x)(10x) a. 20x b.12x c.20x^2 d.5x** 2. -3m(m+8) a. -3m^2+24 b. -3m^2-24m c. -24m^2** d. -4m+5 3. 4d(2d-9) a.8d-36d** b.-d c.-28d^2 d. 8d^2-36d 4. find the product 5b(6b-10) a. 11b-10 b. 5b^2+6b-10** c. -b-10 d. 30b^2-50b
  10. MAth

    what is the greatest common factor of the terms of 24m^9-27m^7-24m^5

More Similar Questions