Answer:
Step-by-step explanation:
45x = 9*5*x
81 = 9*9
GCF = 9
Take 9 out using distributive property { a*b - c*b = b*(a-b)}
45x - 81 = 9*5x - 9*9
= 9*(5x - 9)
=9(5x-9)
Answer:
I'm not smart but I think 7.5
2 * 8 = 16
2 * 7 = 14
3 + 16 - 5 - 14 = 0
The answer would be 0.
Answer:
−3x^2+2x+1
Step-by-step explanation:
combine like terms
8x^2−11x^2
then just add the rest if theres no more like terms
hope this helps :/
