This is a perfect square trnomial
(a+b)²=a²+2ab+b²
we see that a=5x and b=2
(5x)²+2(5x)(2)+2²=0
factor
(5x+2)²=0
set equal to zero
5x+2=0
5x=-2
x=-2/5
False. A bisector divides the angle evenly, not into right angles.
2115000
x*10= 42300
x= 4230
x*500
4230*500= 2115000
Hope this helps
