Question

without multiplying solve :- 1.54 x 1.54 +2 x 1.54 x 1.46 +1.46 x 1.46

Answer 1

1.54 x 1.54 +2 x 1.54 x 1.46 +1.46 x 1.46
=23716+2-54-46+146-46
=2.3718*10^4

Answer 2

(1.54)^2+2×1.46×1.54+(1.46)^2
it is form of (a+b)^2
(1.54+1.46)^2=(3)^2=9