помогите решить плиз
1) (x-4) во 2 +(5x-3)(3+5x)
2) y=2x-7-график
3)m(-20;-33) ?
1) (x-4) во 2 +(5x-3)(3+5x)
2) y=2x-7-график
3)m(-20;-33) ?
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Answers & Comments
=x²-8x+16-(3+5x)²=
=x²-8x+16-9+30x+25x²=
=26x²+28x+7
2)Начерти по двум точкам
(2;-3),(5;3)