trippyalan trippyalan

14-08-2019
Mathematics

contestada

simplify 2x(5x + 3) + 7(5x + 3)

Respuesta :

xinniiiy xinniiiy

14-08-2019

use distributive property to solve.
2x(5x+3) + 7(5x+3)
1. distribute

2x•5x = 10x^2
2x•3= 6x

10x^2+6x

7•5x = 35x
7•3= 21

35x+21

2. combine like terms

10x^2+6x+35x+21

10x^+ 41x +21 [final answer]

Answer Link

Otras preguntas

Ants communicate with chemicals called a. silica. b. metronomes. c. biomes. d. pheromones

Substitution method X = 4 2x - 3y = -19

The main difference among the types of symbiotic relationships is a. how many species either beneﬁt or are harmed. b. how many species are eaten. c. how many sp

What was the approximate distance between Britain and it's North American colony A. 1,500 miles B.2,800 miles C.3,700 miles D. 4,900 miles Approximately ho

Robert has 12 coins totaling $1.45. None of his coins is larger than a quarter. Which of the following cannot be the number of quarters he has?

A vaccine a. can be harmful because it contains pathogens such as viruses. b. contains a changed pathogen, so the pathogen is no longer harmful. c. provokes a r

A man walks 15 blocks to work every morning at a rate of 2 miles per hour. If there are 20 blocks in a mile, how long does it take him to walk to work?

Waves that move matter back and forth are called a.transverse waves b.longitudinal wave c. Medium wave

Why was the Dudley castle built?

A wave with a large amplitude has a lot of a.vibration b.speed c.energy