factorise (2a+3b)^3-27c^3
Answers
Answered by
0
(2a+3b)³ - 27c³ = (2a+3b-3c)(2a+3b)²+9c²+(2a+3b)(3c) = (2a+3b-3c)(4a²+9b²+9c²+12ab+6ac+9bc)
Similar questions