Math
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(3) x (x+3) (x-1)
(3x+9) (x-1)
3x2 - 3 +9x - 9
(3x+9) (x-1)
3x2 - 3 +9x - 9
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Distributive property! You r gonna multiply 3(x) 1st write that down, then 3(3) write that down! Then you shall get 3x+9 .. then do 3(x) write that down, 3(1) write that down! You shall get 3x-3 now you set em equal to each other and solve for x! 3x+9=3x-3 x=-16?
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3 ( x ² + 2x - 3 ) = 3 x ² + 6x - 9