Question

$(a + b) {}^{2} - 5(a + b) - 6$

Answer 1

Heya,

let (a + b) = m

so,the equation becomes

m² - 5m - 6

= m² - 6m + m - 6

= m(m - 6) +1 (m - 6)

=(m + 1) (m - 6)

putting m = (a + b)

(a + b +1 ) (a + b - 6) Ans.