Question

Factorise a squaere -144 b square

Answer 1

Answer:

Factorise- A square - B square - A - B

a² - b² - a - b.

(a+b)(a-b)-1(a+b) {Using the identity of a²-b²}

(a+b)(a - b -1). {taking (a+b) common.}

Step-by-step explanation: