4x 4 16x 2 12 July 8, 2019 16 32 64 128 X 4 4x 3 7x 2 16x 12 X 4 4x 3 x 2 16x 12 X 4 4x 3 x 2 16x 12 0 X 4 4x 3 7x 2 16x 12 0 4x 4 12x 3 16x 2 Factorise x 4 4x 3 x 2 16x 12 Y x 4 4x 3 x 2 16x 12 Factor x 4 4x 3 x 2 16x 12 Factor x^4 - 4x^3 + 7x^2 - 16x + 12 4x4 = 16
