We can add or subtract integer. We can also subtract like terms.
L*w=area
(3x+21)*w=3x^2+33x+84
w=(3x^2+33x+84)/3x+21
(3(x+4)(x+7))/3(x+7)
w=x+4
B. because when you multiply the factors they will get B
Answer:
5x +11y +10
Step-by-step explanation:
7x+11y+9-2x+1
Combine like terms
7x-2x + 11y +9 +1
5x +11y +10
