Question

Multiply: (x – 4)(x + 5)

(a) x2 + 5x - 20,

(b) x2 - 4x - 20,

(c) x2 - x - 20,

(d) x2 + x - 20.
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Answer 1

Answer:

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

(c) x² + x - 20

Step-by-step explanation:

x² + 5x - 4x - 20

x² + x - 20