1.

Factorise x²+x-5Plz help fast​

Answer»

ANSWER:

x^5 + x^2

x^2(x^3+1)

SINCE, we KNOW that..

(a^3 + b^3) = (a+b)(a^2+b^2+ab)

So,

x^2(x^3+1) = x^2(x+1)(x^2+1-x).

HOPE this HELPS


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