Question Simplify the expression −2−x Evaluate 2−x−2×2Multiply the numbers 2−x−4Solution −2−x Show Solution Find the roots x=−2 Evaluate 2−x−2×2To find the roots of the expression,set the expression equal to 0 2−x−2×2=0Multiply the numbers 2−x−4=0Subtract the numbers −2−x=0Move the constant to the right-hand side and change its sign −x=0+2Removing 0 doesn't change the value,so remove it from the expression −x=2Solution x=−2 Show Solution
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