Answer:
-6x^2+x+8
Step-by-step explanation:
Add -1 and 9 because they are the only like terms
Answer:
x=-10
Step-by-step explanation:
3x · 3x=9x-11x>20
-2x>20
÷-2 -2
___________-
x=-10
Hope this helps ∞
Answer:
x=6
y=3
Step-by-step explanation:
y(side)= x
x(side)=2x
3rd side (3) = x
x=3;
x= 2(3)=6
y=(3)=3
Step-by-step explanation:
9x²+bx+ 100
(3x)²+ bx + 10²
(3x)² + 10² + bx
(3x)² + 10² + bx