Math, asked by tamanna2465, 5 months ago

(viii) (3x ²- 7) (3x² - 8)

Answers

Answered by rohangupta0424

3

Answer:

(3x²−7)(3x²−8)

=(3x²+−7)(3x²+−8)

=(3x²)(3x²)+(3x²)(−8)+(−7)(3x²)+(−7)(−8)

=9x^4−24x²−21x²+56

=9x^4−45x²+56

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