5x²+13x-4-17x²-7x+19+15x²+5x-21x-7=
=5x²+15x²-17x² +(13x-7x+5x-21x) -4-7+19=
=3x²-10x+8
Answer:
What do you need help with
Step-by-step explanation: :)
5/6 - 4/12
Change 5/6 so it has a denominator of 12 by multiplying too and bottom by 2.
5/6= 10/12
Now do:
10/12-4/12= 6/12
6/12 can be simplified to 1/2
Answer is 1/2
Answer:
The answer is C
) 8
As square root of 16 is 4 which is radius
So times that by 2 gives you 8
Step-by-step explanation:
Answer:
The expression equivalent to -3( m + 5) is
c) - 3m - 15
Step-by-step explanation: