x^2 - 8x + .... = -9 + ....
x^2 - 8x + 16 = -9 + 16
(x-4)^2 = 7
x-4 ± √7
x = 4 ± √7
x^2=8x-9
solve by completing the square to obtain exact solutions
1 answer
solve by completing the square to obtain exact solutions
1 answer
1 answer
1 answer
1 answer
1 answer