Solve for x in the equation x²+10x+12=36 x=-12 or x= 2 x=-11 or x = 1 x=-2 or x = 12 x= -1 or x = 11

Ineed to learn how to solve this problem

Asap! i'm not good math and i'm lost.

You can ride your bike around your block 6 times and the whole neighborhood 5 times in 16 minutes. you can ride your bike around your block 3 times and the whole neighborhood 10 times in 23 minutes. how long does it take you to ride around the neighborhood?