Math, asked by Anonymous, 5 months ago

Factor: 5x2 – 15x – 20. (a) 5(x-4)(x+1), (b) -2(x-4)(x+5), (c) -5(x+4)(x-1), (d) 5(x+4)(x+1).

Answers

Answered by Anonymous

0

Answer:

Step-by-step explanation:

Solution:

5x2 – 15x – 20.

= 5(x2 – 3x – 4).

= 5(x2 – 4x + x – 4).

= 5{x(x - 4) +1(x - 4)}.

= 5(x-4)(x+1).

Answer: (a).

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