Question

simplifique as espressões:

A)7X-4X+3X

B)15x²+1/3x²-2x²

C)5xy+15xy-12xy+2xy

D)(-1/3xy)+(+4/9xy)+(-1/9xy)

E)9x ⁴y³-18-10x ⁴y³+2x ⁴y³

F)(-1/4x²y)+(3/8x²y)+(9/8x²y)

Por favor me ajudem eu n sei como fazer algumas.

Answer 1

a) 10X-4X

b) 13X²+1/3xy²

c) 10xy

d) 1/3xy + 4/9xy - 1/9xy

0/9

0

e) x4y³-18

f) -1/4x² + 3/8x²y + 9/8x²y

5/4x²y