Question

simplicar 2(a-b)√18(a^2-b^2).(a+b)\3(a+b).√8(a-b)

Answer 1

sendo:

2(a-b)√18(a^2-b^2)(a+b)\(3(a+b)√8(a-b))

2√18 (a^2-b^2)^2 / (3√8 * (a^2-b^2)) =

√72 (a^2-b^2)^2 /√72  (a^2-b^2)^2 = a^2 - b^2