Question

Factorise by grouping method :
ab (x2 + 1) + x (a2 + b2)
​

Answer 1

Step-by-step explanation:

Step-by-step explanation:ab(x²+1)+X(a²+b²)

abx²+ab+a²x+b²x

abx²+b²x+a²x+ab

bx(ax+b)+a(ax+b)

(ax+b) (bx+a)

I hope this will help you

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Answer 2

Answer:

ab(x²+1)+X(a²+b²)

abx²+ab+a²x+b²x

abx²+b²x+a²x+ab

bx(ax+b)+a(ax+b)

(ax+b) (bx+a)

Rlly hope this helps

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