Question

Help!
What is the simpler form of (5x^3+2)(5x^3-2)

A) 25x^6 + 20x^3 -4
B) 25x^6-20x^3-4
C) 25x^9-4
D) 25x^6-4

Answer 1

D

Answer 2

expand it (A+B)(C-D) to
AC-AD+BC-BD

Answer 3

Can you help me with one more? or just check it i think im right.

Answer 4

Simplify (x+7)(x+5)

a) x^2+12+35
b)x^2+35
c)x^2+12x+12
d)x^2+12x+2

i think it is A

Answer 5

nope, try to expand it like i told earlier :)

Answer 6

XxX + Xx5 +7xX + 7x5

Answer 7

i think its B becase 7x5 is 35

Answer 8

wait
I think your A is missing 1 X

Answer 9

which suppose to be 12x

Answer 10

right ?

Answer 11

yeah sorry

Answer 12

lol, ok, u got it right :)

Answer 13

thank you :)

Answer 14

no problem :D