try to divide a polynomial using long division method and synthetic division
1.)5x²+8x3 by x+1 2.)4x³+13x²+7x+6 by x-2 3.)9x⁴-30x+12 by 3x²-4 4.)25x³-41x+8 by 5x²-1 5.)x³+2x²-54x+42 by x²+5x-6 6.)x²+2 by x+1 7.)10x⁴+5x3+4x9 by x²+1 8.)35x²-36x-34 by 7x+4 9.)36x³+2x³-8 by 9x²-4x+1 10.)10x6-14x⁴+x³-19x²+4 by 2x³+2x