SOLUTION: Hi! Could someone please help me with these problems. I need to simplify and all exponents should be positive.
(x+4)^2
(x+5y)(x-5y)
(x^3+7x^2+7x-15)/(x+3)
Thanks so muc
Algebra.Com
Question 65608: Hi! Could someone please help me with these problems. I need to simplify and all exponents should be positive.
(x+4)^2
(x+5y)(x-5y)
(x^3+7x^2+7x-15)/(x+3)
Thanks so much for your help!
Answer by ptaylor(2198) (Show Source): You can put this solution on YOUR website!
Simplify:
(1) (x+4)^2
(x+4)^2=(x+4)(x+4)
x+4
x+4
---------
x^2+4x
+4x+16
-------------
x^2+8x+16
(2) (x+5y)(x-5y)
x+5y
x-5y
----------
x^2+5xy
-5xy-25y^2
------------
x^2-25y^2
(3) (x^3+7x^2+7x-15)/(x+3)
x^2+4x-3
-----------------
x+3/x^3+7x^2+7x-15
x^3+3x^2
------------
4x^2+7x-15
4x^2+12x-15
-----------
-5x-15
-5x-15
-------
R=0
Hope this helps-----ptaylor
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