Can someone help me pls

If square root x = -7, then x= -49 true or false

How can you use synthetic substitution to tell whether a given binomial is a factor of a polynomial?

Solve the compound inequality. graph your solution. 2x – 2 < –12 or 2x + 3 > 7 x < –5 or x > 5 x < –5 or x > 2 x < –12 or x > 2 x < –7 or x > 5