Question

quadratic quations. dear friends plzz help me ?
$(x - 3) (2x + 1) = x(x + 5)$
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Answer 1

x(2x+1)-3(2x+1)=x²+5x

2x²+x-6x-3=x²+5x

2x²-5x-3=x²+5x

2x²-x²-5x-5x=3

x²-10x=3

x²-10x-3

I Hope it's help you