Multiply: (x – 4)(x + 5)
(a) x2 + 5x - 20,
(b) x2 - 4x - 20,
(c) x2 - x - 20,
(d) x2 + x - 20.
Answers
Answered by
6
Solution:
(x – 4)(x + 5).
= x(x + 5) -4(x + 5).
= x^ 2 + 5x – 4x – 20.
= x^ 2 + x - 20.
Answer: (d)
Answered by
4
Answer:
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Step-by-step explanation:
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