Question

Find square of 57 without actual multiplication.
Please give step by step explanation.

Answer 1

$57 \times 57 \\ (50 + 7)(50 + 7) \\ {(50 + 7)}^{2} \\ {50}^{2} + {7}^{2} + 2 \times 50 \times 7 \\ 2500 + 49 + 700 \\ = > 3249$
3249 is your answer....

HOPE IT HELPS YOU

YOU CAN MARK THIS ANSWER AS BRAINLIEST

Answer 2

57^=(50+7)^
by formulae (a+b)^=a^+2ab+b^
50^+2(50×7)+7^
= 2500+700+49
= 3249
HOPE IT HELPED YOU IF LIKED MARK AS PLZ BRAINLIST