Question Factor the expression x(7−4x) Evaluate 7x−4x2Rewrite the expression x×7−x×4xSolution x(7−4x) Show Solution Find the roots x1=0,x2=47Alternative Form x1=0,x2=1.75 Evaluate 7x−4x2To find the roots of the expression,set the expression equal to 0 7x−4x2=0Factor the expression More Steps Evaluate 7x−4x2Rewrite the expression x×7−x×4xFactor out x from the expression x(7−4x) x(7−4x)=0When the product of factors equals 0,at least one factor is 0 x=07−4x=0Solve the equation for x More Steps Evaluate 7−4x=0Move the constant to the right-hand side and change its sign −4x=0−7Removing 0 doesn't change the value,so remove it from the expression −4x=−7Change the signs on both sides of the equation 4x=7Divide both sides 44x=47Divide the numbers x=47 x=0x=47Solution x1=0,x2=47Alternative Form x1=0,x2=1.75 Show Solution
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