Given that,
An expression : (x – 4)(x - 7)
To find,
Expand and simplify.
Solution,
We have, (x – 4)(x - 7)
(x – 4)(x - 7) = x(x) +(-7)(x) + (-4)(x) +(-4)(-7)
= x²-7x-4x+28
= x²-11x+28
Hence, the simplified form of the given expression is x²-11x+28.