Hello,
well done.
As x^3-7x²-9x+63=(x-3)(x+3)(x-7) we must have x>3 and x>-3 and x>7 thus x>7
Explanations:
x^3-7x²-9x+63=x^3-9x+(-7x²+63)=x(x²-9)-7(x²-9)=(x²-9)(x-7)=(x+3)(x-3)(x-7)
Answer:
m = - 3 / 4
Step-by-step explanation:
1m + 3/4 = 0
m = - 3 / 4
hope this helps
Answer:
1548 lb
Step-by-step explanation:
Let the truck's weight be w.
Then (1/3)w = 516 lb
Solve for the truck's weight by multiplying both sides of this equation by 3:
w = 1548 lb (Answer B)
Answer:
The answer is four.
Step-by-step explanation:
II + II= IIII
It is x x- osia math and 87 and please and it is mathamatics
