How do I solve 1.5x^2+6x=7.5
Answers
Answered by
0
How do I solve 1.5x^2+6x=7.5
Attachments:
Answered by
0
1.5x^2+6x=7.5
=> 1.5 (x^2 +4x ) = 7.5
=> x^2 + 4x = 5
=> x^2 +5x -x -5 = 0
=> x( x + 5 ) - 1 ( x+ 5 ) = 0
=> ( x+5 ) (x-1 ) = 0
x = -5 or x= 1
=> 1.5 (x^2 +4x ) = 7.5
=> x^2 + 4x = 5
=> x^2 +5x -x -5 = 0
=> x( x + 5 ) - 1 ( x+ 5 ) = 0
=> ( x+5 ) (x-1 ) = 0
x = -5 or x= 1
Similar questions