parkersoulard parkersoulard
  • 17-04-2020
  • Mathematics
contestada

What are the solutions to the equation x2 + 4x - 5 = 0?
+
+
+
5
+
4
+
-3
+
-2
+ +
-1,1
2
3
4
5
x
-5
a. 1 ałd -5
b. -1 and 5
d.
1 and -5

Respuesta :

Wallind11
Wallind11 Wallind11
  • 17-04-2020

Answer:

x²+4x-5= 0

=>x²+5x-x-5=0

=>x(x+5)-1(x+5)=0

=>(x+5)(x-1)=0

=>x= -5 or, x= 1

Answer Link

Otras preguntas

How can you tell the difference between cosine and sine
A famous scientist named in the first 100 periodic table
How does friction help sports players
The slope of a line is -1/3. Find the slope of a line that is perpendicular to this line. -3 1/3 3
Why did hitler decide to invade the soviet union?
Based on what you read in "Tongue-Tied," in what way did Kingston's parents most likely experience language exclusion at their children's school
What is an example of religious rationalism
Which best distinguishes a characteristic of a paraphrase? It is copied word for word from an information source. It is supporting details from the text. It is
During digestion, excess glucose is stored in liver cells and muscle cells in what form?
Which describes a direct result of division of labor in early farming communities? Wild animals were domesticated. Religion began to develop.