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oee [108]
3 years ago
13

X square - 3 x - 4 equals 0​

Mathematics
1 answer:
kozerog [31]3 years ago
4 0

Answer:

x=4 x=-1

Step-by-step explanation:

x^2-3x-4=0

x^2-4x+x-4=0

x(x-4) + 1(x-4)=0

x+1=0

x=-1

x-4=0

x=4

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