Simplify the following expression. $\frac{17.46^2-4.46^2}{17.46+4.46}$

13 17 21.92 4

13

$\frac{17.46^2-4.46^2}{17.46+4.46}$ We know, a2 - b2 = (a + b) (a – b) $\frac{17.46^2-4.46^2}{17.46+4.46}$ = $\frac{(17.46+4.46)(17.46-4.46)}{17.46+4.46}$ = (17.46-4.46) = 13