(2x+5y)+(3x-2y)
5x+3y
(4x-6)-(10x+9)
= -6x-3
(4x+3)2
= 16x2+24x+9
(3x2+6x+12) divided by (X+3)
3x-3+21 divided by x+3
i5
= i
(-5x2-10x+2)+(3x2+7x-4)
-2x2-3x-2
(50x-20x)-(33x+15x)
=17x-35x
(4x+3)(25x+3)
=100x2+87x+9
(x4+10x2-2x-20) divided by (x+3)
x3+2x2+14x+26+32 divided by x-2
i82
= -1
(5x4-3x2+4)+(6x3-4x2-7)
5x4+6x3-7x2-3
(4x2-3x+5)-(8x2-4x+3)
=-4x2+X+2
(2x+3)(5x2+2x-1)
= 10x3+19x2-4x-3
(-x4-10x-4)(x-4)-1
-x3-4x2-16x+45 +212 divided by x-4
i25
= i
(7x2-x-4)+(x2-2x-3)+(-2x2+3x+5)
6x2-2
(4x2+7x3+50)-(3x2+5x3-40)
=X2+2x3+90
(3x-5)(2x2-4x+7)
= 6x3-22x2+41x-35
(X5-2x+x3-5) divided by (x+1)
x4-x3+2x2-2x-6 divided by x+1
i528
1
(x3+5x2-2x)+(x3+3x-6)+(-2x2+x-2)
2x3+2x2+2x-8
(10x3-6x2+2x+30)-(20x3+30)
=-10x3-6x2+2x
5x2y(7x2-4xy2+2y3)
= 35x4y-20x3y3+10x2y4
(x6-2x5-8x4=3x2-10) divided by (x-2)
x5-8x3-16x2+35x+70+130 divided by x-2
i9,862
= -1