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All you need is in the photo please don't put the step by step ANSWER FAST

All you need is in the photo please don't put the step by step ANSWER FAST-example-1

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The given expression is


3x^2+12x-15=0

First, we factor our the number 3.


3(x^2+4x-5)=0

Then,


x^2+4x-5=0

Now, we look for two numbers whose product is 5, and whose difference is 4, those numbers are 5 and 1.


(x+5)(x-1)=0

Hence, the solutions are x = -5 and x = 1.

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