manihausamah8531 manihausamah8531

19-06-2020
Mathematics

contestada

expand and simlify: a)-2{3a-4{a-(2+a)]} b)5{3c-[d-2(c+d)]}

Respuesta :

rebeccarayshma rebeccarayshma

20-06-2020

Answer:

a) -2 [ 3a-4(a-2-a) ]

= -2[ 3a - 4×(-2) ]

= -2( 3a + 8 )

= -6a-16

b) 5 [ 3c- ( d-2c-2d ) ]

= 5 [ 3c - (-d -2c ) ]

= 5 ( 3c + d + 2c )

= 5 ( 5c + d )

= 25c + 5d

Answer Link

Otras preguntas

Achievement motivation is usually defined as ____. a. the need to reach a level of self-perfection b. the fulfillment of culturally dictated goals c. meetin

The bill for the repair of a computer was $179. The cost for parts was $44, and the labor charge was $45 per hour. How many hours did it take to repair the comp

A skateboarder traveled 3/5 of a mile in 1/20 of an hour. What was the skateboarder's speed in miles per hour

The list of traits describes a typical pine tree. Which trait is caused by the environment, not genetics? A) bark cracked and gray B) treelike growth pattern

What has recent court rulings said about college students as transients?

What document contains this passage?

The lava released by a volcanic eruption separates two populations of a species of monkey. What does this represent?

6) DNA and RNA differ in all BUT one of the following ways. A) DNA is double-stranded, while RNA is single stranded. B) RNA uses the sugar ribose in its ba

6x + 9 = 18x -3x + 81

Which compound contains both ionic and covalent bonds A. KI B. CaCl2 C. CH2Br2 D.NaCN