value of x?

0 ⤊

ok im not good at math and i really need help on this problem...
if y/2=x+1 and y^2( y squared) - 11x-4= 0 for x >0, what is the value of x?

2007-01-04 10:05:45 · 2 answers · asked by devincr 1 in Education & Reference ➔ Homework Help

2 answers

solve for y, substitue into the other one and solve for x:

y = 2x +2

(2x +2)^2 - 11x - 4 =0
4x^2 +8x +4 - 11x -4 =0
4x^2 -3x = 0
x(4x-3) =0

x = (0, 3/4)

2007-01-04 10:13:23 · answer #1 · answered by bfleung18 2 · 0⤊ 0⤋

all i know is that 2 is a varible unless the problem was if x =5 and y = 6 solve the prroblem .
good luck i cant do that yet i am only a 8th grade hottie

2007-01-04 18:15:17 · answer #2 · answered by Shellypoo 2 · 0⤊ 0⤋