Factorize 2^x+7 + 2^x+6

Plzzz plzz maths ! quadratic sequences =an^2+bn 1) 1,6,15,28,45 2)5,18,39,68,105 3) 1,8,21,40,65 4) 7,24,51,88,135 5) -1,2,9,20,35

Which expression is equivalent to 4 square root 6 divided by 3 root 2

Planning for the possibility that your home might get struck by lighting and catch on fire is part of a plan for ?