Question Simplify the expression −2b Evaluate 4−4−2bSolution −2b Show Solution Find the roots b=0 Evaluate 4−4−2bTo find the roots of the expression,set the expression equal to 0 4−4−2b=0Subtract the terms 0−2b=0Removing 0 doesn't change the value,so remove it from the expression −2b=0Change the signs on both sides of the equation 2b=0Solution b=0 Show Solution
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