Question

answer the first 5th 1st

Answer 1

(54) *2
=(60-6)*2
=(60-6) (60-6)
=3600-360-360+36
=3636-720
=2916

Answer 2

Hello Friend

Here is your answer

$(54) {}^{2} \\ \\ = (50 + 4) {}^{2} \\ \\ = (50) {}^{2} + (4) {}^{2} + 2 \times 50 \times 4 \\ \\ = 2500 + 16 + 400 \\ \\ = 2916$
Hope it helps