Question Simplify the expression 287−4a Evaluate 292−4a−5Solution 287−4a Show Solution Find the roots a=4287Alternative Form a=71.75 Evaluate 292−4a−5To find the roots of the expression,set the expression equal to 0 292−4a−5=0Subtract the numbers 287−4a=0Move the constant to the right-hand side and change its sign −4a=0−287Removing 0 doesn't change the value,so remove it from the expression −4a=−287Change the signs on both sides of the equation 4a=287Divide both sides 44a=4287Solution a=4287Alternative Form a=71.75 Show Solution
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