Question

1.evaluate using identity 104x 96 and 2. solve the equation X + 8 is equal to 19 and state euclid's axiom used here.

Answer 1

1) 104X96=

(100+4)(100-4) in the form of (a+b)(a-b)=a^2-b^2

(100)^2-(4)^2

10000-16=9984

2)X+8=19

on subtracting  from both sides, we get;

X+8-8=19-8

X=11