Andy C. answered 02/20/18
Tutor
4.9
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Math/Physics Tutor
1)
( 2x - 1 )(x + 3 ) = 0
x = 1/2 or x = -3
2) ( 3x - 1 )( x + 5 ) = 0
x = 1/3 or x = -5
3) (7 - 3x)(x+2) - 4 = 0
7x - 3x^2 + 14 - 6x - 4 = 0
-3x^2 + x + 10 = 0
3x^2 - x - 10 = 0
( 3x + 5)( x - 2 ) = 0
x= -5/3 or x = 2