2x²-15=2(x²+7x)
=2x²-15=2x²+14x
=2x²-2x²-14x-15
=x²-14x-15=0
therefore the value of (a=1,b=14,c=15)
-If I'm wrong pls don't judge me.
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Answers & Comments
2x²-15=2(x²+7x)
=2x²-15=2x²+14x
=2x²-2x²-14x-15
=x²-14x-15=0
therefore the value of (a=1,b=14,c=15)
-If I'm wrong pls don't judge me.