1.

Simplify: (x²- 6x + 8) – ( 3x² + 5x - 6

Answer»

ANSWER:

({x}^{2}  - 6x + 8) - (3 {x}^{2}  + 5x - 6) \\  \\  =  {x}^{2}  - 6x + 8 - 3 {x}^{2}  - 5x + 6 \\  \\  =  {x}^{2}  - 3 {x}^{2}  - 6x - 5x + 8  + 6 \\  \\  =  - 2 {x}^{2}  - 11x + 14 \\  \\  =  - (2 {x}^{2}   + 11x - 14) \\  \\  = 2 {x}^{2}  + 11x - 14



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