Y^2+4y=-8
add 8 both sides
y^2+4y+8=0 in the form of ax²+bx+c=0
Factor it
by formula
-b+-(√b²-4ac)/2a
-4+-(√16-32)/2*1
-4+-(√-16)/2
-4+-4i/2
-2+-2i where√-1=i
Answer:
Step-by-step explanation:
diagonal=
diagonal=
diagonal=14.1421356
Step-by-step explanation:
area=6992m2
length=92m
Now,
area of rectangle=6992
Answer:
gdhcskjsopqdw0fi9sdahjqa
Step-by-step explanation:
you stupio person you told on me your deab
Y^2-9^2
(y-9)(y+9)
To see if its right:
y*y+y*9-9*y-9*9
y^2+9y-9y-81
y^2-9^2