Question

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Answer 1

Answer:

see below

Step-by-step explanation:

Let's solve your equation step-by-step.

x4−16x2=x2+18

Step 1: Subtract x^2+18 from both sides.

x4−16x2−(x2+18)=x2+18−(x2+18)

x4−17x2−18=0

Step 2: Factor left side of equation.

(x2+1)(x2−18)=0

Step 3: Set factors equal to 0.

x2+1=0 or x2−18=0

x=4.242640687119285 or x=−4.242640687119285

Answer:

x=4.242640687119285 or x=−4.242640687119285