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

Whats 2x(90+2)+10=?

If 2a+ 2/a =4, what is the value of 2a^2− 2/a^2 ?

Use the pythgorean theorem to prove that all the three sides of the triangle are the three sides of a right triangle.

The net force acting on the box is 18 N. What is the force of friction? –22 N –4 N 4 N 22 N

Which countries emerged from World War I as new global powers? Select two options. France Germany Great Britain Soviet Union United State

How does open source became famous?

A ____________ is s molecule that contains a minimum of two or more elements

Which statements about fresh water and salt water are true? Check all that apply. 1. A pond is a source of salt water. 2.Fresh water is essential to all life

GOD BLESS YOUR SOUL IF YOU CAN ANSWER THIS QUESTION! 14PTS!!!!!!! 13) Simplify. (m + 11) + (n + 44) A) m + n + 84 B) m + n + 55 C) mn + 55 D) mn + 484

please help me and fast worth lots of points please fill out the file down below please