Simplify the expression (5x^2+13x-4)-(17x^2+7x-19)+(5x-7)(3x+1)
2 answers:
5x²+13x-4-17x²-7x+19+15x²+5x-21x-7=
=5x²+15x²-17x² +(13x-7x+5x-21x) -4-7+19=
=3x²-10x+8
The simplified expression is = 3x^2-10x+8
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