Question Simplify the expression 70−50f Evaluate 70−(200×4f)Solution 70−50f Show Solution Factor the expression 10(7−5f) Evaluate 70−(200×4f)Cancel out the common factor 4 70−50fSolution 10(7−5f) Show Solution Find the roots f=57Alternative Form f=1.4 Evaluate 70−(200×4f)To find the roots of the expression,set the expression equal to 0 70−(200×4f)=0Cancel out the common factor 4 70−50f=0Move the constant to the right-hand side and change its sign −50f=0−70Removing 0 doesn't change the value,so remove it from the expression −50f=−70Change the signs on both sides of the equation 50f=70Divide both sides 5050f=5070Divide the numbers f=5070Solution f=57Alternative Form f=1.4 Show Solution