graceclower graceclower

22-04-2020
Mathematics

contestada

PLS HELPPPP
Solve 3x2 + 18x + 15 = 0 by completing the square.
I CANT FIND REAL ANSWER!

Respuesta :

rebeccaingle rebeccaingle

22-04-2020

Answer:

x = − 1 , − 5

Answer Link

hello121212 hello121212

22-04-2020

Answer:

1.2

Step-by-step explanation:

3x2+18x+15=0

6+18x+15=0

6+18x-15=0-15

6+18x=-15

-6+18x=-15+(-6)

18x=-21

18/18x=21/18

x=1.2

( i might have messed up somewhere if so sorry )

Answer Link

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