7x12= 84
1+6=7
12=12
So the area is 84
Answer: x = 1.28 or -1.28
Our two binomials are (X-5)(X-7)
If we FOIL those two terms [x*x = x2; x*-7 = -7x; x*-5 = -5x; -5*-7 = 35] and combine the like terms, we're left with one of many quadratic function
Answer
x2-12x+35
He has to be 5 since 5×3=15 and each year he turns one year older so yea
