Question

Simplifique as expressões algébricas

a) 3 (x-2) + 2 ( x-4)
b) 2(2x+3) -3 (4x-2)
c) 1/2 x (2/3 x 3/5 )

Answer 1

a) 3( x- 2) + 2( x - 4)
3x - 6 + 2x - 8
3x + 2x - 6 - 8
5x - 14
b) 2(2x + 3) - 3( 4x - 2)
4x + 6 - 12x + 6
4x - 12x + 6 + 6
8x + 12
c) 1/2x ( 2/3x + 3/5)
2/6x² + 3/10x