Question

I am having some problem can anyone please help me out to do this math.

(x + 3)(x + 4)​

Answer 1

x^2 + 7x + 12

Explanation:

This is a product of two binomials. There's a formula:

(a + b)(c + d) = ac + ad + bc + bd.

Therefore, (x + 3)(x + 4)​ = x^2 + 3x + 4x + 12 = x^2 + 7x + 12