Posted by Carmin on Thursday, June 4, 2009 at 8:20pm.
Please perform the indicated operations and simplify
(3x5)^2(2x+1)(x4)

Algebra  Reiny, Thursday, June 4, 2009 at 8:27pm
(3x5)^2(2x+1)(x4)
use FOIL to expand each one
= 9x^2  30x + 25  (2x^2  8x + x  4)
now simplify

Algebra  Breanna, Thursday, June 4, 2009 at 8:33pm
Yes but doesn't 8x and x combine to become 7x? so then it should look like this?
2x^2 7x 4?

Algebra  Reiny, Thursday, June 4, 2009 at 8:35pm
of course ...
that is what I meant by simplify.
I was expecting you to finish the question.
can you tell me what the next few lines would be ?

Algebra  Breanna, Thursday, June 4, 2009 at 8:37pm
9x230x+25
2x2 7x 4

7x2 23+29
Is this correct?

Algebra  Carmin, Thursday, June 4, 2009 at 8:38pm
Thanks Breanna! Looks correct to me!

Algebra  corinne, Monday, February 11, 2013 at 8:13am
Perform the indicated operations and simplify (2x  6) (x + 1)  (x  7)^2
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