Get multi calculator you can scan those problems and it gives you the awnser
Answer:
I'm not 100% but I think it could be x4 and then +5?
Step-by-step explanation:
The answer is the square root of 4.
2 * 2 = 4
2 is a rational number; therefore, the square root of 4 is a rational number.
Just follow this operation.
Find the two perfectly squared factors the multiple to your number.
Take the square root of those perfect factors then multiple them.