Question

Simplify: 20x -[15x³ + 5x²-{8x²-(4-2x -x³)-5x³}-2x]​

Answer 1

Answer:

a)x3-4x2+3x=0

b)x3+3x2+2x=0

c)x4=4x3+5x2

d)6x3+9x2=3x4

e)2x5=2x4+12x3

f)10x4+x3=2x2

g)9x6+6x5+x4=0

h)x5+4x4=12x3

i)x3+4x=-5x2

j)-1/2x4+x3=1/2x2

k)18x5=x7+3x6

l)16x6+8x4+x2=