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Solve the polynomial equation. x^4+7x^2-144=0
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5 votes
Solve the polynomial equation. x^4+7x^2-144=0

User Felixyz
by
7.6k points

1 Answer

3 votes

Answer:

x = 3

Explanation:

Let's check

3^4 + 7(3)^2 - 144 = 0

81 + 63 - 144 = 0

144 - 144 = 0

0 = 0

So, x = 3 is the correct answer.

User Guilherme Garnier
by
7.8k points
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