Question

ecuaciones incompletas x²-16=20 , 2x²-18=0 , x²-1=99 , 4x²-40x=0​

Answer 1

Respuesta:

Explicación paso a paso:

1. x²-16=20 = x² = 36

x= ±6

2. 2x²-18=0 = x² = 9

x = ± 3

3.  x²-1=99 = x²=100

x=±10

4. 4x²-40x=0 = x²-10x=0

= x(x-10) = 0

X1 = 0, X2 = 10