Question

6. Multiply: (x – 4)(x + 5)

(a) x² + 5x - 20,

(b) x² - 4x - 20,

(c) x² - x - 20,

(d) x² + x - 20.​

Answer 1

Step-by-step explanation:

(x-4)(x+5)

${x}^{2} - x - 20$

Answer 2

(a)  x² + 5x - 20, is correct

Step-by-step explanation:

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