Welcome to Westonci.ca, where your questions are met with accurate answers from a community of experts and enthusiasts. Discover a wealth of knowledge from professionals across various disciplines on our user-friendly Q&A platform. Our platform provides a seamless experience for finding reliable answers from a network of experienced professionals.

can i have help with this

Can I Have Help With This class=

Sagot :

Answer:

2nd option

Step-by-step explanation:

(5x² - 4x - 1) - (- 4x² - 4)

remove first set of parenthesis and distribute second set by - 1

= 5x² - 4x - 1 + 4x² + 4 ← collect like terms

= 9x² - 4x + 3

given ,

[tex](5x^{2}-4x-1)-(-4x^{2}-4)[/tex]

=> [tex] 5x^{2}-4x-1+4x^{2}+4[/tex]

=> [tex]9x^{2}-4x+3[/tex]

hence option two is correct