Question

(

5
x
2
−
3
x
)
+
(
4
x
2
+
7
x
−
1
)
−
(
2
x
2
+
4
x
)

Answer 1

Answer: 14x-1

( 5 x 2 − 3 x ) + ( 4 x 2 + 7 x − 1 ) − ( 2 x 2 + 4 x ) =
`14x-1`

Answer 2

7x^2-1

Explanation:

`7x^2-1`