Question Simplify the expression −1−2x Evaluate 2−2x−3Solution −1−2x Show Solution Find the roots x=−21Alternative Form x=−0.5 Evaluate 2−2x−3To find the roots of the expression,set the expression equal to 0 2−2x−3=0Subtract the numbers −1−2x=0Move the constant to the right-hand side and change its sign −2x=0+1Removing 0 doesn't change the value,so remove it from the expression −2x=1Change the signs on both sides of the equation 2x=−1Divide both sides 22x=2−1Divide the numbers x=2−1Solution x=−21Alternative Form x=−0.5 Show Solution
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