[7.06] Choose the correct simplification of the expression (3x − 6)(2x2 − 4x − 5).

6x3 − 24x2 + 9x − 30

6x3 + 9x + 30

6x3 − 24x2 + 9x + 30

6x3 − 24x2 + 39x + 30

Question

[7.06] Choose the correct simplification of the expression (3x − 6)(2x2 − 4x − 5). 

6x3 − 24x2 + 9x − 30 

 6x3 + 9x + 30 

 6x3 − 24x2 + 9x + 30 

 6x3 − 24x2 + 39x + 30

anonymous · Answer

http://www.wolframalpha.com/input/?i=(3x%20%E2%88%92%206)(2x2%20%E2%88%92%204x%20%E2%88%92%205).&t=crmtb01&f=rc

anonymous · Answer

what is this??

uri · Answer

@XxtweetybirdXx Use the foil method

uri · Answer

3x(2x2 − 4x − 5).− 6(2x2 − 4x − 5). 

Multiply it.

anonymous · Answer

I forgot what that mean??

uri · Answer

Multiply 3x with the whole second bracket..then -6 with the whole second bracket!

anonymous · Answer

first
outer
inner
last

@uri

uri · Answer

eh?

anonymous · Answer

f=first term
o=outer term
i=inner term
l=last term

anonymous · Answer

@uri