The sum of two numbers is
greater than either number

Find the sum of 4x^{2} -4+6 and -7^{2} +3x+1

Ican figure out 20 shares multiply by $117.98 =2359.6920 shares multiply by $124.32=2486.40then take 40 shares multiply by $128.48=5139.20after that i'm lost any be greatly appreciated.

4+(2+x) can you me solve this problem