1/3×7= 7/3
2 2/3×9= 8/3 x 9 = 72/3 = 24
3 1/5÷8= (16/5 ) / 8 = 16/5 x 1/8 = 16/40 = 4/10 = 0.4
The expanded answer is 2025m^2+1620m+324
I hope this helps you out! Take care
Answer:
3x^2+5x+1
Step-by-step explanation:
(x^2 + 3x + 1) + (2x^2 + 2x)
Combine like terms
x^2 + 2x^2 + 3x +2x +1
3x^2+5x+1