nikusita908 nikusita908

03-06-2020
Mathematics

contestada

solve for x 6000=-2x^2+20x-42

Respuesta :

osikbro osikbro

03-06-2020

Answer:

3 or 7

Step-by-step explanation:

[tex]-2x^2+20x-42=0\\-2(x^2-10x+21)=0\\-2(x-7)(x-3)=0\\x=7, 3[/tex]

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