Move the 6 to the other side:
2x^2 +x+6,
(x-3) (x+4)
x=3 and x=-4
2. Associative property
3. is distributive property
4. Commutative property
5. Commutative property<span />
1 full revolution=360
4seconds=360degrees
how many seconds is 90 degrees
4:360=x:90
4/360=x/90
simpllfiy
1/90=x/90
1=x
answer is 1 second