Answer:
2x^2-6x-4
Step-by-step explanation:
(7x2 + 4x - 9)
-(5x2 + 10x - 5)
=
7x^2-5x^2=2x^2
4x-10x=-6x
-9-(-5)=-4
thus, your answer is 2x^2-6x-4
Answer:
The answer is StartFraction 5 over 7 EndFraction
Answer:
Scammed
Step-by-step explanation:scammed
Answer:
x - 6y + 10z
Step-by-step explanation:
7x + 3y - 5z - (8x - 3y + 5z)
= 7x + 3y - 5z - 8x + 3y - 5z
= 7x - 8x + 3y + 3y - 5z - 5z
= - x + 6y - 10z
OR
= -(- x + 6y - 10z)
= x - 6y + 10z
