Question Simplify the expression x4−2 Evaluate x4−2Solution x4−2 Show Solution Find the roots x1=−42,x2=42Alternative Form x1≈−1.189207,x2≈1.189207 Evaluate x4−2To find the roots of the expression,set the expression equal to 0 x4−2=0When the expression in absolute value bars is not negative, remove the bars x4−2=0Move the constant to the right-hand side and change its sign x4=0+2Removing 0 doesn't change the value,so remove it from the expression x4=2Take the root of both sides of the equation and remember to use both positive and negative roots x=±42Separate the equation into 2 possible cases x=42x=−42Solution x1=−42,x2=42Alternative Form x1≈−1.189207,x2≈1.189207 Show Solution
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