12 and 13 how to solve
(2x+8)(3x-6)... Step 1: eliminate the bracket but multiplying 2x by 3x then 6 then add (8×3×)-(8×6)...To obtain...6x -12x + 24x -48-6x +24x = 4830x =48So x =(48÷30)... if no numerical calculation
