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Sagot :
Answer:
(x+4)(x-5)
Step-by-step explanation:
We can look at it by thinking of two numbers, that add up to -1 and multiply to -20. We can first do this by looking at factors of -20, which are 1, -20, -1, 20, 2, -10, -2, 10, and so on. After looking through it, we can notice that -5 and 4 added equal -1, and when multiplied equal to -20, so they work. So, we factor to (x+4)(x-5)
Answer:
(x +5) (x -4)
Step-by-step explanation:
Factors of 20:
1,20
2,10
4,5
4 and 5 combine to create 1
+5 -4 = 1
(x +5) (x -4)
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