y4nin08 y4nin08

02-11-2020
Mathematics

contestada

Use the quadratic formula to find the roots: -3x^2 + 27x = 42

Respuesta :

sherrydumanew sherrydumanew

02-11-2020

Answer:

x=2,x=7

Step-by-step explanation:

-3x^2+27x=42

x^2-9x+14=0

x^2-2x-7x+14=0

x*(xi2)-7(x-2)=0

(x-2)*(x-7)=0

x-2=0

x-7=0

x=2

x=7

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