Question Simplify the expression −9f+72 Evaluate −9(f−8)Apply the distributive property −9f−(−9×8)Multiply the numbers −9f−(−72)Solution −9f+72 Show Solution Find the roots f=8 Evaluate −9(f−8)To find the roots of the expression,set the expression equal to 0 −9(f−8)=0Change the sign 9(f−8)=0Rewrite the expression f−8=0Move the constant to the right side f=0+8Solution f=8 Show Solution