Question

factorise by grouping​

Answer 1

ab(x^2 +1) + x(a^2 +b^2)

= abx^2 + ab + xa^2 + xb^2

= abx^2 + xa^2 + ab + xb^2

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

= (bx +a) (ax+b).

hope this helps you

Karthikrikky12