Question

Find the product of 3(x – 5) × 2(x – 1)

Answer 1

3(x – 5) × 2(x – 1) = (3 × 2)(x – 5)(x – 1)

= 6 × [x(x – 1) – 5(x – 1)]

= 6[x(x) – x(1) – 5(x) + (–) (–) 5(1)]

= 6[x² – x – 5x + 5]

= 6[x² + (–1 – 5)x + 5]

= 6[x² – 6x + 5]

= 6x² – 36 x + 30