Question

19 Find the sum of (x + 5).(-4x - 2), and (2x – 1).

Answer 1

Answer:

Step-by-step explanation:

Sum of (x + 5).(-4x - 2), and (2x – 1).

= (x + 5) × (-4x - 2) + (2x – 1)

= -20x^2 -2x - 20x -10 + 2x - 1

= -20x^2 - 20x - 11