01-04-2017
Mathematics

contestada

I don't understand how to further answer the question. Can somebody explain with an image of the work??

Solve by completing the square.
-3x^2+12x-15=0

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love042402 love042402

01-04-2017

-3x^2+12x-15=0
-3x^2+12x =15
-3x^2+12x+36=15

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01-04-2017

-3(x^2+4x-5)
= -3(x-2)^2-3=0
this is ur answer

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