Posted by **Carol** on Friday, May 28, 2010 at 2:01am.

x^2-6x-7=0 Completing the square

need help

- math -
**bobpursley**, Friday, May 28, 2010 at 8:29am
what is half of -6 squared: 6/2=3, squared , 9

x^2-6x+9 -7=9

(x-3)^2 =16

take the square root of each side.

x-3= +-4

x=7, or -1

## Answer this Question

## Related Questions

- Algebra - Which of the following statements is true? A. Any quadratic equation ...
- math - i need to solve this equation by completing the square: x^2-14x+1=0 i don...
- maths - Consider the equation x(square) + 4px + 2q = 0 where p and q are real ...
- Use completing the square to... - Use completing the square to describe the ...
- Algebra 2 - Completing the square method allows you to solve any quadratic ...
- Algebra 2 - Solve by completing the square. aČ - 2√(3a) + 2 = 0 Solve for ...
- Completing the square - Please show the procedure for answering this quadratic ...
- math,correction - Is this correct now. Problem #1 solve by completing the square...
- algebra help - My class is doing a unit on the "completing the square method" ...
- Algebra - Completing the square method allows you to solve any quadratic ...

More Related Questions