X²-9x=36
minus 36 both sides
x²-9x-36=0
what 2 numbers multiply to -36 and add to -9
-12 and 3
(x-12)(x+3)=0
set to zero
x-12=0
x=12
x+3=0
x=-3
the number is either -3 or 12
Answer:
two irrational numbers is always irrational
Step-by-step explanation:
Answer:
10
, or 17.32050
Step-by-step explanation:
15 js the base of the rectangle because you find the area by doing length times width
Answer:
it is a mixed number the number is 1 1/2
Step-by-step explanation: