To factorise it start with putting the xs in brackets.
(x )(x )
Then you must find 2 numbers which multiply to +81 and sum to -18.
81 is the product of 9×9 or -9×-9.
9+9=+18
-9+-9=-18
So they two numbers must be -9.
So factorised it is (x-9)(x-9) or (x-9)^2
Answer: It will take 3 days.
Step-by-step explanation:
1 km = 1000m
12 km = 12,000m
10 * 400m = 4000m
12,000m / 1000m = 3
So, It will take 3 Days.
I hope I helped you with this I-Ready. Have a Great day!
That inequality can be written as n >= 4
The ">=" represents greater than or equal to. On paper you would just add a horizontal line under the ">" and not include the "="
Answer:
this is geometry?
Step-by-step explanation:
