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can x^3 + 8 be factorised? if so it is using
a3 + b3 = (a + b)(a2 – ab + b2)?
 one year ago
 one year ago
can x^3 + 8 be factorised? if so it is using a3 + b3 = (a + b)(a2 – ab + b2)?
 one year ago
 one year ago

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backpack799Best ResponseYou've already chosen the best response.0
(x2)(x^2 + 2x + 4)
 one year ago

KuoministersBest ResponseYou've already chosen the best response.0
But the question is x^3 + 8 not minus?
 one year ago

hartnnBest ResponseYou've already chosen the best response.2
yes, and your are correct,a=x and b=2
 one year ago

KuoministersBest ResponseYou've already chosen the best response.0
Well i was looking to find it in factored from not the answer
 one year ago

hartnnBest ResponseYou've already chosen the best response.2
yeah, i didn't give any answer... factored form will be ... ?
 one year ago

hartnnBest ResponseYou've already chosen the best response.2
x^3+2^3 = (...+...)(........+...)
 one year ago

hbaBest ResponseYou've already chosen the best response.1
Well the formula are as follows, \[a^3 + b^3 = (a + b)(a^2 – ab + b^2)\] \[a^3  b^3 = (a  b)(a^2 + ab + b^2)\]
 one year ago

KuoministersBest ResponseYou've already chosen the best response.0
(x+2)(x^2 2 + 4) Is this right?
 one year ago

hartnnBest ResponseYou've already chosen the best response.2
the 2nd term in 2nd bracket is incorrect.
 one year ago

KuoministersBest ResponseYou've already chosen the best response.0
i mean 2x opps (x+2)(x^2 2x + 4)
 one year ago
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