Question

how to do this? 11th one​

Answer 1

Answer:

Given: (a²–2ab+b²)–(4ab–9b²)

Simplification:

(a²–2ab+b²)–4ab+9b²

= a²+10b²–6ab

Answer 2

$\huge\mathfrak\purple{Solution:-}$

Simplify :-

(a² - 2ab + b² ) - (4ab - 9b²)

a² - 2ab + b² - 4ab + 9b²

a² - 6ab + 10b²