Question

Si a=7, b=5, c=-3, d=4 resuelve:
a (b + c)=
d ( b + a) =
c (b - a) =
a (2b - c) =
d (2a - 3b) =
c (d - 2) =

Answer 1

Respuesta:

14, 48, 6, 91, -4, 30

Explicación paso a paso:

Con los datos reemplazas en las operaciones

a(b+c) = 7(5-3) = 7(2) = 14

d(b+a) = 4(5+7) = 4(12) = 48

c(b-a) = -3(5-7) = -3(-2) = 6

a(2b-c) = 7(2x5-(-3)) = 7(10+3) = 7(13) = 91

d(2a-3b) = 4(2x7-3x5) = 4(14-15) = 4(-1) = -4

c(d-2) = -3(4-2x7) = -3(4-14) = -3(-10) = 30