Question

Factorise these above ​

Answer 1

Answer:

a) 12x²-7x+1

=12x²-4x-3x+1 ____(middle term splitting )

=4x(3x-1)-1(3x-1)

=(4x-1)(3x-1)=0

so, x=1/4 , 1/3

b) x²+8x+16

=x²+4x+4x+16___(middle term splitting)

=x(x+4)+4(x+4)

=(x+4)(x+4)=0

X= -4