SOLUTION: #1. 4 = 3 ____ _____ x+4 x+8 #2. 6 = 5 ________ ________ x^2-2x-3 x^2-4x-5

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: #1. 4 = 3 ____ _____ x+4 x+8 #2. 6 = 5 ________ ________ x^2-2x-3 x^2-4x-5      Log On


   

Question 299508: #1.
4 = 3
____ _____
x+4 x+8

#2.
6 = 5
________ ________
x^2-2x-3 x^2-4x-5
Answer by checkley77(12844) About Me  (Show Source):
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4 = 3
____ _____
x+4 x+8
4(X+5)=3(X+4)
4X+20=3X+12
4X-3X=12-20
X=-8 ANS.
----------------------
#2.
6 = 5
________ ________
x^2-2x-3 x^2-4x-5
6(X^2-4X-5)=5(X^2-2X-3)
6X^2-24X-30=5X^2-10X-15
6X^2-5X^2-24X+10X+15-30=0
X^2-14X-15=0
(X-15)(X+1)=0
X-15=0
X=15 ANS.
X+1=0
X=-1 ANS.