Answer:
(x + 1/2)^2 = 289/4
Step-by-step explanation:
x^2+x-72=0
Write like this:
(x + ___)^2 = ___
put 72 on other side
x^2 + x = 72
x^ + x + (1/4) = 72 + (1/4)
x + (1/2) = 17/2
0.2*12=
2 2/5
x+2(9x)=17
x +18x =17
19x=17
19x/19 =17/19
x=17/19
just take -4.5 the right side
