Solve for x in the equation 3x^2-18+5=47

Step-by-step explanation:

Try to leave x alone on the left side

To leave alone x, add +13 to both sides. Because left side has -13

Now x is alone on the  left side

 <=Rule

So; x=

Hope this helps ^-^

What exactly is your question?

No he does not because he can only cover 12 square feet from 15 square feet which he will still need 3 more. this is because if 3×5=15 square feet and 15-12=3 which thats the answer