Question

3x² +5 = 32 por favor ajudem

Answer 1

3x²+5=32
3x²=32-5
x²=27/3
x²=9
x=3

Answer 2

Δ = b² – 4 . a . c
=0-4.3.27
= 324

x = – b ± √Δ ÷ 2a
x1 = -0+18/6
x1 = -3

x2 = 0 -18/6
x2 = 3