Question Find the roots u1=−2,u2=2Alternative Form u1≈−1.414214,u2≈1.414214 Evaluate u2−2To find the roots of the expression,set the expression equal to 0 u2−2=0Move the constant to the right-hand side and change its sign u2=0+2Removing 0 doesn't change the value,so remove it from the expression u2=2Take the root of both sides of the equation and remember to use both positive and negative roots u=±2Separate the equation into 2 possible cases u=2u=−2Solution u1=−2,u2=2Alternative Form u1≈−1.414214,u2≈1.414214 Show Solution
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