Factor 30b^2 + 48b – 24 (1 point)
24(6b^2 + 2b – 1)
6(5b – 2)(b + 2)
4(5b – 2)(b + 2)
6(5b + 2)(b + 2)

Question

Factor 30b^2 + 48b – 24  (1 point)
24(6b^2 + 2b – 1)
6(5b – 2)(b + 2)
4(5b – 2)(b + 2)
6(5b + 2)(b + 2)

hartnn · Answer

u already know the answer, isn't it ?
just want to confirm?

anonymous · Answer

actually no not really..i want someone to walk me throughthe steps but not tell me the answer...i actually dont get this one AT ALL

hartnn · Answer

what can u see common between 30,48 and 24 ?

anonymous · Answer

6

hartnn · Answer

so take that common out, what remains inside brackets?

anonymous · Answer

i do not understand what you are saying but I no you can already delete a and c..i dont get when you say take sommon out

hartnn · Answer

6 multiplied by what is 30?

anonymous · Answer

5

hartnn · Answer

what about 48 and 24?

anonymous · Answer

6 times 8 equals 48 and 6 times 4 equals 24

hartnn · Answer

so u get 6(5b^2+8b-4)
did u get this step?

anonymous · Answer

yea

hartnn · Answer

now, tell me 2 numbers whose product is 5*-4 = -20 and whose sum is 8

anonymous · Answer

5^5-4=-20

hartnn · Answer

what!!
the numbers are 10 and -2.....

anonymous · Answer

how 5^10-4
 do not equal -20

hartnn · Answer

i never asked u to do ^ operation...
product =-20 .... 10*-2 = -20
sum = 8.......10-2 = 8

anonymous · Answer

Calm down..im sorry i did not get it .. imma just move onto the next question..just forget it