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Anettt [7]
3 years ago
12

(x^2-4x)^2+7x^2-28x+12=0

Mathematics
1 answer:
Valentin [98]3 years ago
7 0

Answer:

x^4-9x^2-28x=-12

Step-by-step explanation:

(x^2-4x)^2+7x^2-28x+12=0

(x^4-16x^2)+7x^2-28x=-12

x^4-9x^2-28x=-12

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