Question 1 Report
Factorize 4x2 - 9y2 + 20x + 25
Answer Details
Given: 4x2 - 9y2 + 20x + 25 Collect like terms: 4x2 + 20x + 25 - 9y2 (2x + 5)(2x + 5) - 9y2 (2x + 5)2 - (3y)2 (2x - 3y +5)(2x + 3y + 5)