Me ajudem, 4x²+32x+60=0.... Pergunta de ideia deBrunaBarrosbw17

BrunaBarrosbw17 @BrunaBarrosbw17

November 2019 1 44 Report

Me ajudem, 4x²+32x+60=0

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analuizaboneka 4x*+32x+64-4=0
4x*+32+60=0
a: 4
b:32
c:60

delta= b*-4.a.c
32*-4.4.60
1024-960
delta=64

x= -b +/- raíz de delta
-------------------------
2.a

x= -32 +/- 64
-------------
2.4

X= -32 +/- 64
--------------
8

x'= -32+64 = 32 = 4
----------- ----
8 8

x"= -32-64 = -96 = -12
--------- -----
8 8

Resposta: x'= 4
x"= -12

Espero ter ajudado!!!

2 votes Thanks 7

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