Posted by Nini on Monday, April 6, 2009 at 5:00pm.
Factor by Grouping. PLEASE SHOW ME THE STEPS!
1.) 6x221xy+8xz28yz
just to make it clear,the 2 infront of 21
is actualli an Exponent 2.
2.) x2+5x+7x+35

10th grade math  Reiny, Monday, April 6, 2009 at 5:22pm
from now on, please use the notation 6x^2 to show 6x^{2}.
both of your question are ideally set up for 'grouping'
6x221xy+8xz28yz , I will factor the first two and then the last two
= 3x(2x  7y) + 4z(2x  7y)
now the 2x7y is the common factor
= (2x7y)(3x+4z)
(by expanding our answer we can see that it is correct if we get the original question back, we do!)
now you do the second one, and let me know how you did.
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