Circle x centered at the origin with radius 10

Lorne subtracted 6x3 – 2x + 3 from –3x3 + 5x2 + 4x – 7. use the drop-down menus to identify the steps lorne used to find the difference.

For f(x)=2x+3 and g(x)=x^2- 8 find (f+g) (x)

When 142 is added to a number the result is 64 more times the number my options are 35 37 39 41