Question

subtract the following ​

Answer 1

Answer: 6) $x^{2} +3x-3$

Step-by-step explanation: 6)  

$x^{2} + 3x - 4 +\+ 5x^{2} + 3x - 1\\ = 6x^{2} + 9x - 5$  

Now,

Subtract  

$(6x^{2}+ 9x - 5) - (5x^{2} + 3x - 2) \\= x^{2} + 3x - 3$