Step-by-step explanation:
it is solved directly by using the formula
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:
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Step-by-step explanation:
Answer:
what do u need help with?
Step-by-step explanation:
Theres no question. Hope this helps
It’s the quadratic formula because it’s give directly the zeros of a function
