hannahnesbitt0901 hannahnesbitt0901

11-12-2020
Mathematics

contestada

HELP ASAP!!!

Solve the following quadratic equation for all values of x in simplest form.
3(x + 8)2 – 20 = 28

Respuesta :

surjithayer10 surjithayer10

11-12-2020

Answer:

Step-by-step explanation:

3(x+8)²-20=28

3(x+8)²=28+20

divide by 3

(x+8)²=48/3=16

x+8=±4

either x+8=4

x=4-8=-4

x=-4

or x+8=-4

x=-4-8=-12

x=-12

Answer Link

Otras preguntas

The sum of two consecutive integers is at least 52. What is the least possible pair of integers? A) 27 and 28 B) 25 and 26 C) 24 and 25 D) 26 and 27

Investigations provide large amounts of information about a wide range of variables.

Harry and Terry are each told to calculate 8−(2+5). Harry gets the correct answer. Terry ignores the parentheses and calculates 8−2+5. If Harry's answer is H an

charles darwin called the ability of an organisms to survive and reproduce in its specific environment

Using the Law of Conservation of Matter, determine the number of grams of iron sulfide (FeS) that will be produced in this reaction. 112g Fe + 64g S → _____ g F

Mutations can be beneficial. neutral. harmful. all of the above

Log^3 (20) can be written as

Write the ratio 69 : 75 as a fraction a decimal and a percent

Japan invaded Manchuria in 1931 because

Which explains the basis of the biuret test? A) sudan iii dye binds to lipids and changes color B) a blue dye binds to protein and changes color C) under base c