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Arte-miy333 [17]
2 years ago
15

Can i have help with this

Mathematics
2 answers:
Leto [7]2 years ago
6 0
Given ,

(5x^{2}-4x-1)-(-4x^{2}-4)

=> 5x^{2}-4x-1+4x^{2}+4

=> 9x^{2}-4x+3

hence option two is correct
Butoxors [25]2 years ago
5 0

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

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