Question Simplify the expression −21c+6 Evaluate −3(7c−2)Apply the distributive property −3×7c−(−3×2)Multiply the numbers −21c−(−3×2)Multiply the numbers −21c−(−6)Solution −21c+6 Show Solution Find the roots c=72Alternative Form c=0.2˙85714˙ Evaluate −3(7c−2)To find the roots of the expression,set the expression equal to 0 −3(7c−2)=0Change the sign 3(7c−2)=0Rewrite the expression 7c−2=0Move the constant to the right side 7c=0+2Removing 0 doesn't change the value,so remove it from the expression 7c=2Divide both sides 77c=72Solution c=72Alternative Form c=0.2˙85714˙ Show Solution