SOLUTION: Solve by completing the square.
x^2 +2x - 63 = 0
I got (7, -9) which doesn't appear to be correct. Can you help me?
Algebra.Com
Question 130765: Solve by completing the square.
x^2 +2x - 63 = 0
I got (7, -9) which doesn't appear to be correct. Can you help me?
Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
x^2+2x-63=0
x^2+2x =63
x^2+2x+1=63+1
(x+1)^2=64
x+1=+-8
x=-1+-8
x=-9, x=7
.
ur correct
.
Ed
RELATED QUESTIONS
Can you help me solve this equation 2x^2+8x-7=-2 by completing the square? I got this... (answered by richwmiller,josmiceli,lwsshak3)
hi,
solve by completing the square x^2-2x-7=0. can you please help me? thank... (answered by jim_thompson5910)
Hello Tutor,
I am in need of some help if you can help me out I would appreciate it. (answered by edjones)
can you please help me solve by completing the square of:... (answered by Mathtut)
can you please help me solve by completing the square of ((( 2x^2-3x+1=0... (answered by solver91311)
can you help me by solving completing the square?
x^2-2x-35=0
(answered by dolly)
can you please help me solve by completing the square of: (((... (answered by Mathtut)
can you please help me solve by completing the square ((( x^2-x-1=0... (answered by solver91311)
can you please help me solve by completing the square of ((( x^2-x-1=0... (answered by josmiceli)