Question

spleatimg the middle term x2+42x+441 ​

Answer 1

Solution:

x²+42x+441

Splitting the middle term,we get

= x² +21x + 21x + 441

= x(x+21)+21(x+21)

= (x+21)(x+21)

Therefore,.

x²+42x+441= (x+21)(x+21)

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Answer 2

Hey !

Refer the below attachment !

Thanks !