idarky02 idarky02
  • 02-06-2019
  • Mathematics
contestada

Questões matemáticas

4) 3a- 4b ( 4 - 7a + 2b ) + b
6) 3mn ( m² + n² - m + 4n - 5 )
8) ( x + √5 )²
9) ( 4x + 2y )²
10) (2w-1,6)²
13) (x+11)(x+18)
15) (x+4,7)(x+3,25)

Considere x=-4, y=48 e z=2,7

17) 2x-y+3z
18) xz+1,57
20) x³+2x²-4x

Respuesta :

crzgirlallyanaT45
crzgirlallyanaT45 crzgirlallyanaT45
  • 02-06-2019
For questions17,18,20
Ver imagen crzgirlallyanaT45
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