Question

Multiply: (x – 4)(x + 5)​

Answer 1

x² + x -20

Explanation:

x(x + 5) -4(x + 5)

x² + 5x - 4x - 20

x² + x - 20

Answer 2

The answer is x² + x - 20

Explanation:

(x – 4)(x + 5)

x(x + 5) -4(x + 5)

x² + 5x – 4x – 20

x² + x - 20

Thus, The answer is x² + x - 20

-TheUnknownScientist