Question

I have a few match problems that I can't figure out.
1.solve: 3x+5=x√7 (that's a radical sign)
2.factor: (2k+3)2-(2x+3)(y-2)-20(y-2)2 (the "2" after (2k+3) ans (y-2) is suppose to be a square sign.

thanks if you can help, or even if you can't

i ment "Math" lol