Answer:
vertical angles or opposite angles
Step-by-step explanation:
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)^2 = 289/4
x + (1/2) = 17/2
Ax2<span> + bx + c = 0 = </span>a(x+d)^2<span> + </span>e<span> = 0 </span>
Answer:
Step-by-step explanation:
it equals -19
