What do you meen they are numbers
<span>this is how i did it
10(9)(d)= 210
90d= 210
d=2.3 feet.</span>
Remember
if ab=0, then assume that a and b equal 0
factor out common term
comon term in 6x^2 and 15x is 3x
3x(2x)+3x(5)=0
3x(2x+5)=0
set each to zero
3x=0
x=0
2x+5=0
2x=-5
x=-5/2
x=-5/2 and 0
Answer:
i dont know i am so sorry
Step-by-step explanation:
good luck with it though