Math, asked by amit525873, 1 year ago

factorise (x³+8) factorise

Answers

Answered by Anonymous
9
hello here is your answer by Sujeet yaduvanshi ✌✌✌✌✌✌✌✌✌✌✌✌✌✌✌✌✌✌✌✌✌✌✌✌✌✌✌✌✌✌✌✌✌✌✌✌✌✌✌✌✌✌✌✌✌✌✌✌✌✌✌✌✌✌✌✌✌✌✌✌✌✌✌✌✌✌✌✌✌✌✌✌✌✌✌✌✌✌✌✌✌ ✌✌✌✌✌✌✌✌✌✌

We know that formula,

a³+b³
then,

arrange in this form,

x³+2³
then,

following the formula,

a³+b³=(a+b)(a²-ab+b²)

then,

a=x
b=2

Now,

x²+2³=(x+2)(x²-2x+4)



that's all

dear friend



by Sujeet
Answered by radhakrishna143
2
let x3+8=0 then x3=8
x*x*x=2*2*2
therefore x=2
you can also follow (a+b)3
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