Question

Use algebraic method to find the follow 309 square step by step​

Answer 1

★ Question:-

• Use algebraic method to find (309)²

★Solution:-

• (309)² can be written as (300+9)²

Use the identity (a+b)² = a²+b²+2ab

• (300+9)² = (300)² + (9)² + 2 × 300 × 9

• 90000 + 81 + 5400

• 90081 + 5400

• 95481

Answer 2

Answer:

I hope that this Answer will help u