Question Find the roots B=219911Alternative Form B=9955.5 Evaluate 19911−2BTo find the roots of the expression,set the expression equal to 0 19911−2B=0Move the constant to the right-hand side and change its sign −2B=0−19911Removing 0 doesn't change the value,so remove it from the expression −2B=−19911Change the signs on both sides of the equation 2B=19911Divide both sides 22B=219911Solution B=219911Alternative Form B=9955.5 Show Solution