Question Simplify the expression 4−∣x∣ Evaluate 4−∣−x×1∣Any expression multiplied by 1 remains the same 4−∣−x∣Solution 4−∣x∣ Show Solution Find the roots x1=−4,x2=4 Evaluate 4−∣−x×1∣To find the roots of the expression,set the expression equal to 0 4−∣−x×1∣=0Any expression multiplied by 1 remains the same 4−∣−x∣=0Calculate the absolute value 4−∣x∣=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∣=−4Calculate ∣x∣=4Separate the equation into 2 possible cases x=4x=−4Solution x1=−4,x2=4 Show Solution
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