Question

ME AJUDE a)x(x+1)=0 b)2×(×-5)=0 c)(×+3)(×-1)=0 d)(x-6)(4×-8)=0

Answer 1

a) x=0 
x+1=0 
x=-1

b) 2x=0
x=0÷2
x=0

c) x² -4x -3 = 0
Δ= 16-4.1.(-3)
Δ= 16-12= 4

x= 4⁺₋ 2/2
x'=3
x"= 1

d)4x²-32x+48 (÷4)
x²-8x+12
Δ=64-4.1.12
Δ=64-48 = 16

x= 8⁺₋4/2
x'=6
x"=2