factorise 30x^2 -27x -21 Share with your friends Share 0 Pranay Loya answered this Dear student, ⇒30x2-27x-21⇒3(10x2 − 9x − 7)⇒3(10x2 − 14x + 5x − 7)⇒3(2x(5x − 7) + 1(5x − 7))⇒3(2x + 1)(5x − 7) Regards 0 View Full Answer
