Can someone answer this 1 - 125b^3?

2008-06-14 7:07 pm
Factoring the Sum and Difference of Cubes
Factor the following expression. Make sure you show your work and explain your steps. Use the ^ sign to show an exponent (x2 = x^2)

回答 (2)

2008-06-14 7:12 pm
✔ 最佳答案
a^3-b^3= (a-b)(a^2+ab+b^2)
a=1
b=5b
(1-5b)(1+5b+25b^2)
2008-06-15 2:24 am
a^3 - b^3 = (a - b)(a^2 + ab + b^2)

1 - 125b^3
= (1 - 5b)(1 + 5b + 25b^2)


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