Question

Resolva:
x²-6x-16=0
6x²-x-5=0

Answer 1

a) x2-6x-16=0
x² -6x -16=0
6+ou- raiz quadrada de 36+64
2
6+ou - 10 x'= 8 R: x= -2
2

6x2-x-5=0
6x² -x -5+0
1+ou- raiz quadrada de 1 +120
12
1+ou - 11 x'= 1 x"= - 10 R: = 5
12 12 6