Math

-15x^2 + 44x - 21 = 0 Solve for x

Asked by AnneS2 on 17 May 05:13

Last updated by anonymous on 19 May 11:10

1 Answers

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Answered by CherieS on 19 May 11:10

-15x^2 + 44x - 21 = 0

-1(15x^2-44x+21)=0

-1 (3x )(5x ) ( -7)( -3)=0

-(3 x-7) (5 x-3) = 0

Solve:

-1(3 x-7)=0

(-1)(3x) (-1)(-7)=0

-3x+7=0

-3x+7-7=0-7

-3x=-7

-3x/-3=-7/-3

x=7/3

Solve:

-1(5 x-3) = 0

(-1)(5x) (-1)(-3)=0

-5x+3=0

-5x+3-3=0-3

-5x=-3

-5x/-5=-3/-5

x=3/5