Question Simplify the expression 10−4x Evaluate 5×2−4xSolution 10−4x Show Solution Factor the expression 2(5−2x) Evaluate 5×2−4xMultiply the numbers 10−4xSolution 2(5−2x) Show Solution Find the roots x=25Alternative Form x=2.5 Evaluate 5×2−4xTo find the roots of the expression,set the expression equal to 0 5×2−4x=0Multiply the numbers 10−4x=0Move the constant to the right-hand side and change its sign −4x=0−10Removing 0 doesn't change the value,so remove it from the expression −4x=−10Change the signs on both sides of the equation 4x=10Divide both sides 44x=410Divide the numbers x=410Solution x=25Alternative Form x=2.5 Show Solution