Question Factor the expression Factor 21(10x−1) Evaluate 5x−21Solution 21(10x−1) Show Solution Find the roots Find the roots of the algebra expression x=101Alternative Form x=0.1 Evaluate 5x−21To find the roots of the expression,set the expression equal to 0 5x−21=0Move the constant to the right-hand side and change its sign 5x=0+21Add the terms 5x=21Multiply by the reciprocal 5x×51=21×51Multiply x=21×51Solution More Steps Evaluate 21×51To multiply the fractions,multiply the numerators and denominators separately 2×51Multiply the numbers 101 x=101Alternative Form x=0.1 Show Solution