Question Factor the expression Factor 21(8x−7) Evaluate 4x−27Solution 21(8x−7) Show Solution Find the roots Find the roots of the algebra expression x=87Alternative Form x=0.875 Evaluate 4x−27To find the roots of the expression,set the expression equal to 0 4x−27=0Move the constant to the right-hand side and change its sign 4x=0+27Add the terms 4x=27Multiply by the reciprocal 4x×41=27×41Multiply x=27×41Solution More Steps Evaluate 27×41To multiply the fractions,multiply the numerators and denominators separately 2×47Multiply the numbers 87 x=87Alternative Form x=0.875 Show Solution