I need help with math (algebra I think) D:?

Question

Complete the square:

x^2=-5x+5

Solve the inequality algebraically. Write the solution in interval notation.

|2+2x|-3 >4

What is interval notation? If you guys can explain the steps then that would be nice :)

Answer 1

i think the second answer is...

2+2x-3>4

  +2     +2

2x-3>6

   +3 +3

2x>9

divide by 2 on both sides

2x>9= 5

2    2= 5

so x>5

Answer 2

Oh wow sorry i don't know algebra:(lol

where doing that kind of stuff also but alittle different:)

Answer 3

x^2 = -5x + 5

First you need to get everything on one side so that it equals 0

(add 5x to each side)

(minus 5 from both sides)

x^2 +5x -5 = 0

http://www.purplemath.com/modules/solvqu...

Solve the inequality:

http://www.purplemath.com/modules/absine...

http://www.purplemath.com/modules/ineqso...