Question

solve my using factorization :
2x² - 2 root 2 + 7 = 0
​

Answer 1

Answer:

$x=2a−b±b2−4ac</p><p>  =2×2−(−22)±(−22)2−4×2×1</p><p>  =4(22)±8−8</p><p>  =422±0</p><p>  =422  </p><p>  =22 </p><p>  =21$

x=

2a

−b±

b

2

−4ac

=

2×2

−(−2

2

)±

(−2

2

)

2

−4×2×1

=

4

(2

2

)±

8−8

=

4

2

2

±0

=

4

2

2

=

2

2

=

2

1