Question

factorise and divide 5ab (a^2-b^2)÷ 2a (a+b)​

Answer 1

Answer:

$=2\frac{1}{2} b (a - b)$

Step-by-step explanation:

$\frac{5ab(a^2 - b^2)}{2a(a + b)}$

$=\frac{5b(a+b)(a-b)}{2(a+b)}$ [cancelling a from numerator and denominator]

$=\frac{5b(a - b)}{2}$

$=2\frac{1}{2} b (a - b)$