Question

giải các PT sau:

a, 8x + 6 = 3x + 41

b, \(b, (2x^2 + 1)(4x - 3) \)

Answer 1

a, 8x + 6 = 3x + 41

<=> 5x = 35

<=> x = 7

Answer 2

a) 8x + 6 = 3x + 41

\(\Leftrightarrow\) 8x - 3x = 41 - 6

\(\Leftrightarrow\) 5x = 35

\(\Leftrightarrow\) x = 7

 

 

Answer 3

 8x + 6 = 3x + 41

=> 5x = 35

=> x = 7

Answer 4

8x + 6 = 3x + 41

<=> 5x = 35

<=> x = 7