x^2 + 6x - 40 = 0
x^2 +6x=40
x=4
Comprobamos:
4^2 + 6(4)-40=0
16 + 24 -40=0
0=0
:D
RPTA: x=4
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Verified answer
x^2 + 6x - 40 = 0
x^2 +6x=40
x=4
Comprobamos:
4^2 + 6(4)-40=0
16 + 24 -40=0
0=0
:D
RPTA: x=4