Question

2. Find and correct the errors in the following mathematical statement
(5x + 4 )²= 5x² + 20x + 16​

Answer 1

$(5x + 4) {}^{2} \\ (5x+4)(5x+4) \\ 25x {}^{2} +20x + 20x + 16 \\ 25x {}^{2}  + 40x +16.$

Errors are in the attachment