Question

Solve the equation by completing the square. x^2+8x=-1

Answer 1

@KamiBug @cj49

Answer 2

refer to the previous solution and try to solve it.....ill be here to guide u

Answer 3

x^2+8x+8=-1+8
(x+4)^2=7

Answer 4

half of 8 is 4 then u need to square it i.e 4x4=16

Answer 5

x^2+8x+4=-1+4
(x+2)^2=3

Answer 6

x^2+8x+16=-1+16

Answer 7

where does 16 come from?

Answer 8

half of 8 is 4...after taking the half u need to square it and then add it to both the sides

Answer 9

so is this right.. x^2+8x+16=-1+16
(x+4)^2=15
x+4 pm squared 15

Answer 10

yessssss

Answer 11

it wud be x= -4 pm sqrt 15