Multiply: (x – 4)(x + 5)
(a) x2 + 5x - 20,
(b) x2 - 4x - 20,
(c) x2 - x - 20,
(d) x2 + x - 20.
Answers
Answered by
5
Step-by-step explanation:
x – 4)(x + 5).
= x(x + 5) -4(x + 5).
= x2 + 5x – 4x – 20.
= x2 + x - 20.
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Answered by
2
Answer:
(x - 4) (x+5)= x^2 +5x -4x -20
= x^2 + x - 20
option (d) is correct....
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