16x 2 25y July 8, 2019 16 32 64 128 16x 2 25y 4 16x 2 25y 2 400 16x 2 25y 2 400 ellipse 16x 2 25y 2 factored 16x 2 25y 2 4x 5y 16x 2 25y 2 factorise 16x 2 40xy 25y 2 16x 2 40xy 25y 2 factorise 80xy 16x 2 25y 2 16x 2 25y 2 1 16x 2 25y 2 400 0 16x 2 25y 2 13 20y 24x 16x 2 25y 2 100 Factor 16x 2 25y 2 16x 2 − 25y 2
