marklee99 marklee99

02-01-2020
Mathematics

contestada

help me solve this
4 — (x-2) (x+2)

Respuesta :

02-01-2020

Using [tex](x-a)(x+a)=x^2-a^2[/tex] to obtain

[tex]4-(x^2-4)=4-x^2+4=8-x^2[/tex]

Hope this helps.

Answer Link

Otras preguntas

Which verb form correctly completes this sentence? Víctor siempre me _________ ayuda. A. pide B. pido C. pida D. pedí

12. What are the 4 structures that are found in ALL cells?

If one cup is equal to 8 fluid ounces, how many fluid ounces are in 4 cups?Input only whole numbers. (10 points)

Select the correct answer. What is the meaning of the word slicked in this excerpt from Trifles by Susan Glaspell? MRS HALE: Duty's all right, but I guess that

A map uses the scale of 3 cm for every 10 km. If the map shows a distance of 12 cm, what is the actual distance?

permeter of rectangle 154m if length is twice and 2cm more than its breadth find L and b .

Compare the three equation and make a statement to describe them

Q(x) = x³ − 3x² + 6x – 2 Q(0)= Q(1)= Q(-2)=

the value of x must be greater than?

Compare 9 ⋅ 10^4 with 3 ⋅ 10^2