Question Simplify the expression u4−290 Evaluate u4×1−10−280Any expression multiplied by 1 remains the same u4−10−280Solution u4−290 Show Solution Find the roots u1=−4290,u2=4290Alternative Form u1≈−4.126668,u2≈4.126668 Evaluate u4×1−10−280To find the roots of the expression,set the expression equal to 0 u4×1−10−280=0Any expression multiplied by 1 remains the same u4−10−280=0Subtract the numbers u4−290=0Move the constant to the right-hand side and change its sign u4=0+290Removing 0 doesn't change the value,so remove it from the expression u4=290Take the root of both sides of the equation and remember to use both positive and negative roots u=±4290Separate the equation into 2 possible cases u=4290u=−4290Solution u1=−4290,u2=4290Alternative Form u1≈−4.126668,u2≈4.126668 Show Solution
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