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Add. Simplify your answer. 3y^2/y+1 + 3y/y+1
A. 2y
B. 3y^2
C. 3y
D. y+1

Add or subtract. Simplify your answer. c+5/3c+3 − 4/3c+3
A. c/3c+3
B. 3c
C. c+1/3c
D. 1/3

Respuesta :

dalendrk
[tex]\dfrac{3y^2}{y+1}+\dfrac{3y}{y+1}=\dfrac{3y^2+3y}{y+1}=\dfrac{3y(y+1)}{y+1}=3y\to\fbox{B.}\\\\\\\dfrac{c+5}{3c+3}-\dfrac{4}{3c+3}=\dfrac{c+5-4}{3c+3}=\dfrac{c+1}{3c+3}=\dfrac{c+1}{3(c+1)}=\dfrac{1}{3}\to\fbox{D.} [/tex]

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