Question

$84 \times 84 - 16 \times 16 \div 68 = x$
do by formula ​

Answer 1

$84 \times 84 - 16 \times 16 \div 68 = x$

$7056 - 256 \div 68 = x$

$6800 \div 68 = x$

$100 = x$