Question

Which of the following is the correct expansion of (x + 3)(x + 4)?

Answer 1

Answer:

(x + 3)(x + 4)

x(x+4)+3(x+4)

${x}^{2} + 4x + 3x + 12$

${x}^{2} + 7x + 12$

Answer 2

Answer:

It's x2 + 7x + 12 by added the two X at the start then added 3 + 4 to get 7 then 3×4 to get 12