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17 votes
17 votes
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
User XamlZealot
by
3.1k points

1 Answer

14 votes
14 votes

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.

User Qrdl
by
3.3k points
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