Write the product in standard form.
( 7 + 7i)( 6 + 7i)

I need help with steps

Question

Write the product in standard form.
( 7 + 7i)( 6 + 7i) 

I need help with steps

bahrom7893 · Answer

just multiply it out..
7*6 + 7*7i ...

anonymous · Answer

I don't factor?

bahrom7893 · Answer

no, expand

anonymous · Answer

42+49i?

bahrom7893 · Answer

well expand the whole thing...I just started it off for you.

skullpatrol · Answer

recall the FOIL method for multiplying binomials?

anonymous · Answer

Yeah

anonymous · Answer

( 7 + 7i)( 6 + 7i) 
42 + 49i + 42i + 49i*i    but i*i =1
42 + 91i  +49
91 + 91i

skullpatrol · Answer

$$\Huge i*i=-1$$

anonymous · Answer

@skullpatrol : you r right 
so the answer will be 91i - 7

skullpatrol · Answer

@sam801 please don't give away the answer, instead let the student learn.

anonymous · Answer

Ok sorry

anonymous · Answer

i am new to this website

anonymous · Answer

so i am supposed to give only hints?

anonymous · Answer

how does it = 91-7 if you have 91+91i

skullpatrol · Answer

OpenStudy values the Learning process - not the ‘Give you an answer’ process
Don’t post only answers - guide the asker to a solution.

anonymous · Answer

@nieskaa : check the second line, the answer lies there

anonymous · Answer

Oh okay I got it

anonymous · Answer

@skullpatrol: thanks for the information, i just started to participate yesterday.

skullpatrol · Answer

Giving hints is a great way to find out how much the student understands.

anonymous · Answer

Sure, i will from now