lachapparaAna lachapparaAna

04-02-2021
Mathematics

contestada

Solve x^2-4=0 please solve step by step

Respuesta :

jadasheree606 jadasheree606

04-02-2021

Answer:

x=2 or x=−2

Step-by-step explanation:

Let's solve your equation step-by-step.

x2−4=0

Step 1: Add 4 to both sides.

x2−4+4=0+4

x2=4

Step 2: Take square root.

x=±√4

x=2 or x=−2

Answer Link

Otras preguntas

A boy rode a bike and covered 90 km at an average speed equals 36 km/h but he covered the first thirty km in two hours. What is the average speed at which the r

27(1-x)(x^2+x+1)+81x(x-1)

PART 5. SENTENCE TRANSFORMATION Complete the second sentence so that it means the same as the first one, using the word given. You must use between three and ei

Help please need to finish up this work soon!!

What is the answer to -x-(-10x) work

Find k such that 16x2 – 8 /3x+k=0 has a repeated real solution.

7+4c=7c+6 -----------------

please help Fallacies are an ethical and effective way to reach your audience emotionally and persuade them to do what you want. True Or False

If(2x,x+y)=(y,9)find x and y.

1. To enlarge the areas under their control, kings of old sent out their armies to________the owners of lands around them