Question Simplify the expression ∣x∣−4 Evaluate ∣x∣−1−3Solution ∣x∣−4 Show Solution Find the roots x1=−4,x2=4 Evaluate ∣x∣−1−3To find the roots of the expression,set the expression equal to 0 ∣x∣−1−3=0Subtract the numbers ∣x∣−4=0Move the constant to the right-hand side and change its sign ∣x∣=0+4Removing 0 doesn't change the value,so remove it from the expression ∣x∣=4Separate the equation into 2 possible cases x=4x=−4Solution x1=−4,x2=4 Show Solution
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