Question

PLEASE HELP VERRY HARD...

3. Simplify 3n(4n2 + 5n). (1 point)
12n3 + 15n2
7n2 + 8n
12n2 + 15n
12n2 + 8n
4. Factor 18s – 63. (1 point)
9(2s + 7)
6(3s – 11)
18(s– 3)
9(2s – 7)
5. What is the simpler form of ? (1 point)
25x6 + 20x3 – 4
25x6 – 20x3 – 4
25x9 – 4
25x6 – 4
6. Simplify (x + 7)(x + 5). (1 point)
x2 + 12x + 35
x2 + 35
x2 + 12x + 12
x2 + 12x + 2
7. Simplify (2z – 3)2. (1 point)
4z2 – 9
4z2 – 9z
4z2 – 12z – 9
4z2 – 12z + 9

Answer 1

please post each qn separately

Answer 2

3)12n^2+15n
4)18s-63=9(2s-7)
6)x^2+12x+35
7)4z-12z+9

Answer 3

and whare are you trying to say for num 5

Answer 4

@Dodo1 no giving away answer like that please .Its violation of Openstudy COC Refer http://openstudy.com/code-of-conduct

Answer 5

oh, i am sorry

Answer 6

do you understand why ?

Answer 7

4.9(2s – 7)
5.25x6 – 4
6.x2 + 12x + 35
7.4z2 – 12z + 9

Answer 8

thank you i was having so much trouble with these..

Answer 9

@jaybabu were these right