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mutiplying polynomials please help*

vah123

New member
Joined
Jan 11, 2010
Messages
1
how do you do this equation step by step ?

(p+4)(p*+2p-7)

*=2
 

Dr.Fredrick

New member
Joined
Jan 11, 2010
Messages
2
(p+4)(p^2+2p-7)
multiply all terms in first by all terms in second.
(p^3+2p^2-7p)+(4p^2+8p-28) so there you just multiple everything in the second part by p and then by four nad then you add them together...
(p^3+6p^2+p-28) so there you have it. and the ^ is just saying raised to that power so p^3 is just p cubed or p to the third. hope this helped let me know if it did or didnt
 

Islandchild

New member
Joined
Jan 16, 2010
Messages
4
I actually need some help for a problem that's along the same lines.
(3x-4y)(2a+3b)

How can you simplify this equation if there are no common terms?
How would you complete this equation step by step?
 
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