Question

1. 3(4x + 2y + 5) + 4(x + 3y + 2)

Explanation:

Step1: Distribute coefficients

$3(4x+2y+5) = 12x + 6y + 15$; $4(x+3y+2) = 4x + 12y + 8$

Step2: Combine like terms

$(12x+4x)+(6y+12y)+(15+8) = 16x + 18y + 23$

Answer:

$16x + 18y + 23$