me podrían ayudar plisss
1. x2 + 7x = 18
a.
2 9
b.
9 -2
c.
2 -9
2. 8x – 65 = -x2
a.
-5 13
b.
13 5
c.
5 -13
1. x2 + 7x = 18
a.
2 9
b.
9 -2
c.
2 -9
2. 8x – 65 = -x2
a.
-5 13
b.
13 5
c.
5 -13
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Respuesta:
es multiplicar y sumar o restar
Explicación paso a paso: