Posted by **Jordan** on Sunday, August 29, 2010 at 9:09pm.

1.)Complete the square to find all real solutions of equation 3 x^2 + 4 x - 1 = 0.

X1=

X2=

2.)\sqrt{7 x - 9} + 6 = 3x

there are two solutions

3.)4 <= 5 x - 4 <10

4.)(x/4x-16)-7 = (1/x-4)

5.) (1/R) = (1/R1)+ (1/R2)

for R1

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