zschaeffer zschaeffer

16-08-2019
Mathematics

contestada

2x2 + 8x = 10 is equivalent to which of the following?

A. ( x + 2)²=9
B. (2x + 4)²= 10
C. (x + 4)²= 10
D. (x+ 8)²= 18

Respuesta :

ghanami ghanami

16-08-2019

Answer:

A. ( x + 2)²=9

Step-by-step explanation:

2x2 + 8x = 10 equivalent to :

x²+4x =5 ....(divid by2)

(x²+4x+4 ) - 4=5

(x +2)² - 4 = 5

(x +2)² =9...(add 4)

Answer Link

Otras preguntas

Your house is located at point L. Your friend's house is located at point N. M is the midpoint of IN. How far do you need to travel to walk home from your frien

why was Nehru report rejected

3(4x+1)=15? X= What is the solution?

Emily has upset her father by not quitting smoking. Which is an example of the positive punishment her father uses on Emily? A. limiting her freedom to meet fri

In the past year Abdul watched 18 movies that he thought were very good. He watched 40 movies over the whole year. Of the movies he watched, what percentage did

Simplify 52⋅57 Group of answer choices 259 55 59 514

I SPENT 40 POINTS ON THIS QUESTION. PLEASE ANSWER!!!!!

3/4plus 1/9 In the simplest form

There are 100 people in your lunar colony- what is the citizenship type breakdown? Explain your reasoning.

2(x+1) = -8x +8(x-2) x=? 4(7+2x)=-2(x+4)+4x x=?