Question

Simplify: (3x + 12) (3x - 12)

Answer 1

This is the product of a sum and a difference.
\((a + b)(a - b) = a^2 - b^2\)

Answer 2

You can also multiply it out using FOIL and then combining like terms.

Answer 3

@Nurali Why did you make a simple product of two binomials into an equation?

Answer 4

so just combin like terms and i will get me answer?

Answer 5

The answer is the left side of the third line of Nurali's response.

Answer 6

You need to multiply out first, then combine like terms.

Answer 7

(3x + 12) (3x - 12)
9x^2-36x+36x-144
9x^2-144

Answer 8

thank you both i see what you mean.