Question Factor the expression 21(4x−5) Evaluate 2x−25Solution 21(4x−5) Show Solution Find the roots x=45Alternative Form x=1.25 Evaluate 2x−25To find the roots of the expression,set the expression equal to 0 2x−25=0Move the constant to the right-hand side and change its sign 2x=0+25Add the terms 2x=25Multiply by the reciprocal 2x×21=25×21Multiply x=25×21Solution More Steps Evaluate 25×21To multiply the fractions,multiply the numerators and denominators separately 2×25Multiply the numbers 45 x=45Alternative Form x=1.25 Show Solution