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shtirl [24]
2 years ago
5

X² + 2x - 3 = 0

Mathematics
1 answer:
tankabanditka [31]2 years ago
6 0

Step-by-step explanation:

x²+2x-3=0

(x²+3x)-(x-3)=0

x(x+3)-1(x+3)=0

(x-1)(x+3)=0

x=1 or x=-3

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