Question Simplify the expression s4−74 Evaluate 1×s4−74Solution s4−74 Show Solution Find the roots s1=−474,s2=474Alternative Form s1≈−2.932972,s2≈2.932972 Evaluate 1×s4−74To find the roots of the expression,set the expression equal to 0 1×s4−74=0Any expression multiplied by 1 remains the same s4−74=0Move the constant to the right-hand side and change its sign s4=0+74Removing 0 doesn't change the value,so remove it from the expression s4=74Take the root of both sides of the equation and remember to use both positive and negative roots s=±474Separate the equation into 2 possible cases s=474s=−474Solution s1=−474,s2=474Alternative Form s1≈−2.932972,s2≈2.932972 Show Solution
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