Question

What is the expansion formulae of (5a-6b)²​

Answer 1

Answer:

(a-b)²=a²+b²-2ab

Step-by-step explanation:

so answer

25a²+36b²-60ab

Answer 2

Answer:

• (5a) sq. -(6b) sq. +2(5a)(6b)
• 25a sq. -36 b sq. +60ab