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OpenStudy (anonymous):
Solve. x^2 + 8x = 24 answers: a. -4 +-2 sqrt 2 b. -4 +-2 sqrt 10 c. -4 +- 2 sqrt 5 d. -4 +- 2 sqrt 7 help pleasee :)
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OpenStudy (anonymous):
x^2+8x-24=0 x^2+8x-24+16-16=0 (x+4)^2-24-16=0 (x+4)^2-40=0 follow that.
OpenStudy (amoodarya):
OpenStudy (anonymous):
soo what would the answer be ? @ amoodarya
OpenStudy (amoodarya):
x=-4 +-sqrt40 if you simplify that b is correct
OpenStudy (anonymous):
thanks so much
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