Answer:
15x^2+2
Step-by-step explanation:
(10x^2 -1 + 4x) + (3 + 5x^2 - 4x)
Combine like terms
10x^2+5x^2+4x-4x-1+3
15x^2+2
Answer:
6(xy-4)
6x+5
Step-by-step explanation:
Coefficient is number before variable
Answer:
7
Step-by-step explanation:
Answer:
104
Step-by-step explanation:
more than just means addition, unless dealing with inequalities.