Question

SIMPLIFICA LAS SIGUIENTES EXPRESIONES
3.-7 -(-3) 49. 2(x - y)-x
5.(-3)(-7) 51. 4[2(x + 1) -3]
7.(-9)÷(-3) 53. x [-3(-4+5) + 3]
9.-(-4 -3) 54. 4[ x (2 - 5) - 2( 1 - 2x)]
11.(-5)(-3)(-2) 56. x-1( 2x - 1)
13.2(-2 -3) 58. (- 3x) -1 (6 + 2x)
15.-4(3 - 6) 60.(-xy) -1 (2x -3y)

Answer 1

-7 +146.6x - 147.6y
2158.8x - 1079.4
0