Answer:
-6[tex]\sqrt{13}[/tex]
Step-by-step explanation:
This is similar to collecting like terms in Algebra, that is
- 2x - 7x + 3x = x(- 2 - 7 + 3) = - 6x
Similarly
-2[tex]\sqrt{13}[/tex] - 7[tex]\sqrt{13}[/tex] + 3[tex]\sqrt{13}[/tex]
=[tex]\sqrt{13}[/tex](- 2 - 7 + 3) = - 6[tex]\sqrt{13}[/tex]
