solve x-sqrt(2x+1)=7 Can someone explain

When I solve the inquality 2x^2 - 6 < 0,I get x < + or - sqrt(3) So how do I write the solution? Is it (+sqrt(3),-sqrt(3)) or
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2. asked by Jen
3. 1,351 views
So I am supposed to solve this without using a calculator: Sqrt[20]/10 - Sqrt[10]/Sqrt[32] - Sqrt[0.3125] + Sqrt[3 + 1/5]You can
1. 2 answers
2. asked by Mr.AMG
3. 903 views
Solve in the exact form.(sqrt of 4x+1)+(sqrt of x+1)=2 Someone showed me to do this next: Square both sides..so.. 4x+1+2((sqrt
1. 4 answers
2. asked by Gingie
3. 1,221 views
Could someone show me how to solve these problems step by step....I am confused on how to fully break this down to simpliest
1. 1 answer
2. asked by Reggie
3. 1,418 views
I have a question if someone could help, please explain it.Given b = -1 and h = -1, what is the equation of the graph if the
1. 1 answer
2. asked by Megan
3. 576 views
Evaluate sqrt7x (sqrt x-7 sqrt7) Show your work.sqrt(7)*sqrt(x)-sqrt(7)*7*sqrt(7) sqrt(7*x)-7*sqrt(7*7) sqrt(7x)-7*sqrt(7^2)
1. 1 answer
2. asked by Alexa
3. 3,268 views
I hope I am writing this down right.. I am trying to do some practice questions to learn10^5 (sqrt)2y - 4^5 (sqrt)2y I am trying
1. 2 answers
2. asked by Cassie
3. 736 views
Solve the quadratic equation 6x^2-3x+6=0. Which of the following expresses its solutions in the form a± bi ? (1 point) 1/4 ±
1. 1 answer
2. 59 views
Rationalize each denominator.6 + square root of 2 ____________________________ square root of 3 PLZ HELP..dont kno how to do
1. 1 answer
2. asked by Karla
3. 854 views
Please look at my work below:Solve the initial-value problem. y'' + 4y' + 6y = 0 , y(0) = 2 , y'(0) = 4 r^2+4r+6=0, r=(16 +/-
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2. asked by COFFEE
3. 951 views