x+3
x+5
_____
5x + 15
x² + 3x
___________
x²+ 8x +15
x-2
x+4 =. x² + 2x -8
2x²+5
2x²-3=. 4x⁴ +4x² -15
3x³+2
3x³-7=. 9x⁹ -5x³ -14
4a²+6
4a²+8=. 16a⁴+56 a² + 48
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x+3
x+5
_____
5x + 15
x² + 3x
___________
x²+ 8x +15
x-2
x+4 =. x² + 2x -8
2x²+5
2x²-3=. 4x⁴ +4x² -15
3x³+2
3x³-7=. 9x⁹ -5x³ -14
4a²+6
4a²+8=. 16a⁴+56 a² + 48