Question

factorise 64 X square + 16 X + 1

Answer 1

64x²+16x+1
By splitting middle term method
we have to choose two numbers through which we get 64x² by multiplying and 16x by adding Hence, they are 8x and 8x
Now ,64x²+16x+1
64x²+8x+8x+1
8x(8x+1) + 1(8x+1)
( 8x +1) (8x+1)
(8x+1)² Answer
Note= it could also be find through the formula
(a+b)²=a²+2ab+b²
Hope this helps
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Answer 2

64x^2 +16x +1

64x^2 +(8+8)x +1

64x^2 +8x +8x +1

8x(8x+1) + 1(8x+1)

(8x+1)(8x+1)


then,

8x= -1

and x= -1/8





i hope this will help 




- by ABHAY