Question

Question 15
Find and correct the errors in the statement: $(a-4)(a-2)=a^2-8$

Answer 1

$L.H.S=(a-4)(a-2)=(a{)}^2+[(-4)+(-2)\left]\right(a)+(-4\left)\right(-2)=a^2-6a+8\ne R.H.SThecorrectstatementis(a-4\left)\right(a-2)=a^2-6a+8$