-->
GN
and
-->
GY
I'm just doing this to fill up the required characters cool I think I'm good now.
The mistake that was made is that she should of multiplied the fractions by the exponents first
the first answer choice, associative property of addition
hope this helps. gl!
Check the picture below.
Make sure your calculator is in Degree mode.
Answer:
b. 4x^2 -7x +5
Step-by-step explanation:
When you know a sum and one of its contributors, you can find the other by subtraction. The other trinomial is ...
(7x^2 -5x +4) - (3x^2 +2x -1)
= (7 -3)x^2 +(-5 -2)x +(4 -(-1))
= 4x^2 -7x +5 . . . . . matches B
