Ответ:
(x+3)(x-5)-(x+4)^2=2
x*x+5x+3x+3*5-x²+2x*4+4²=2
x²+5x+3x+15-(x²+8x+16)=2
x²+5x+3x+15-x²-8x-16=2
5x+3x+15-8x-16=2
0+15-16=2
0-1=2
-1=2
Ø
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Ответ:
(x+3)(x-5)-(x+4)^2=2
x*x+5x+3x+3*5-x²+2x*4+4²=2
x²+5x+3x+15-(x²+8x+16)=2
x²+5x+3x+15-x²-8x-16=2
5x+3x+15-8x-16=2
0+15-16=2
0-1=2
-1=2
Ø