plss ans this question it's argent
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Answered by
0
Answer:
Step-by-step explanation:
⇒ (3x+5)²-(3x-5)²
⇒ 3x² + 5² - 3x² -5²
⇒ 3x² - 3x² + 5² - 5²
⇒ 0 + 0
⇒ 0
Answered by
1
Answer:
60x
Step-by-step explanation:
- 9x^2+30x+25-9x^2+30x-25
- 9x^2 and -9x^2 get cancelled
- 25and -25 get cancelled
- 30x+30x
- =60x
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