(a) (2z − 1)(2z − 3)
4z2-8z+3=4z2-6z-2z+3=2z(2z-3)-1(2z-3)=(2z-1)(2z-3)
Factorize: 4z2−8x+3(a) (2z−1)(2z−3)(b) (2z+1)(3−2z)(c) (2z+3)(3z−1)(d) (z−1)(4z−3)
If 2z+83=14z+5, then z= ?(a) 3(b) 4(c) 34(d) 43