kamilyreis91 15/06/2021 1-x²-14x+48=0x=-(-14)+-√¯(-14)²-4.1.48/2.1x=14+-√¯196-192/2x=14+-√¯4/2x=14+-2/2x=14+2/2x=14-2/2x=8x=62-x²-7x+10=0x=-(-7)+-√¯(-7)²-4.1.10/2.1x=7+-√¯49-40/2x=7+-9/2x=7+-3/2x=7+3/2x=7-3/2x=5x=23-4x¹-4x+1=0-4x-4x+1=0-8x+1=0-8x=-1 x=1/8 x=0,125Espero ter Ajudado! Boa Tarde!
kamilyreis91
1-x²-14x+48=0
x=-(-14)+-√¯(-14)²-4.1.48/2.1
x=14+-√¯196-192/2
x=14+-√¯4/2
x=14+-2/2
x=14+2/2
x=14-2/2
x=8
x=6
2-x²-7x+10=0
x=-(-7)+-√¯(-7)²-4.1.10/2.1
x=7+-√¯49-40/2
x=7+-9/2
x=7+-3/2
x=7+3/2
x=7-3/2
x=5
x=2
3-4x¹-4x+1=0
-4x-4x+1=0
-8x+1=0
-8x=-1
x=1/8
x=0,125
Espero ter Ajudado! Boa Tarde!