Multiply (x – 4)(x2 – 3x + 5).
x3 + 5x2 + 5x – 20
x3 + 2x2 + 8x – 20
x3 – x2 + 7x – 20
x3 – 7x2 + 17x – 20
x3 + 5x2 + 5x – 20
x3 + 2x2 + 8x – 20
x3 – x2 + 7x – 20
x3 – 7x2 + 17x – 20