WAEC - Mathematics (2024 - No. 28)
Factorize completely: 27x\(^2\) - 48y\(^2\)
3(3x + 4y)(3x - 4y)
3(3x + 4y)(3x + 4y)
3(9x - 16y)(9x + 16y)
3(9x - 16y)(9x - 16y)
คำอธิบาย
27x\(^2\) - 48y\(^2\) = 3(9x\(^2\) - 16y\(^2\))
difference of two squares
3((3x)\(^2\) - (4y)\(^2\)) = 3((3x - 4y)(3x + 4y))