3 years ago

Algebra 2 factoring. #9) b^4-81#5) m^4-1#10) 81^4-16

1 answer:

3 0

#9) b^4 - 81 = (b^2)^2 - 9^2 = (b^2+ 9)(b^2- 9)
#5) m^4-1 = (m^2)^2 - 1 = (m^2 + 1)(m^2- 1)
#10) 81x^4-16 = (9x^2)^2 - 4^2
= (9x^2 +4)(9x^2 - 4)

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