Factor: 5x2 – 15x – 20
Answers
Answered by
0
Answer:
5(x-4)(x+1)
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).
I hope it will help you...
Answered by
1
Answer:
a=5,b=-15 ,c=-20
b2-4ac
75-(400)
= -325
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