Question

subtract the following.​

Answer 1

$i){16x}^{2} - {10x}^{2} = {6x}^{2} \\ ii) {52x}^{2} - {48x}^{2} = {4x}^{2} \\ iii) - 13xy - 7xy = - 20xy \\ iv) - 10pqr - ( - 5pqr) \\ = - 10pqr + 5pqr \\ = - 5pqr$