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nordsb [41]
4 years ago
11

Factor: 5x2 – 15x – 20

Mathematics
1 answer:
Anna71 [15]4 years ago
5 0

Answer:

A.

Step-by-step explanation:

5x^2 – 15x – 20

= 5(x^2 – 3x – 4)

= 5(x^2 – 4x + x – 4)

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

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

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