Question

simplify x²+5x-3+2x²-x+1​

Answer 1

Step-by-step explanation:

$= {x}^{2} + 5x + - 3 + 2 {x}^{2} - x + 1$

$= 3 {x}^{2} + 4x - 2$

Answer 2

Answer:

3x2+4x-2

Step-by-step explanation:

=x2+2x2+5x-x-3+1

=3x2+4x-2