Question

factorise 4x^2-4x-3 =0​

Answer 1

Step-by-step explanation:

4x^2-4x-3 =0

a=4. , b=-4. , c=-3

x=(-b+/-√b^2-4ac)/2a

x=(-(-4)+/-√(-4)^2-4×4×-3)/2×4

=(4+/-√16+48)/8

=(4+/-√64)/8

=(4+/-8)/8

=12/8. and. -4/8 (since +/-)

x=3/2. and. x=-1/2

x-3/2=0. and x+1/2=0