What does it mean to solve a quadratic equation such as x^2+4x+3=0?

The quadratic equation is solved .we get value of x=-3 and -1

Given data:  

To Find:  

Solve a quadratic equation:

Solution:

Step 1:

This equation is already in the form "(quadratic) equals (zero)”

(x + 3)(x + 1) = 0

Step 2:

Now I can solve each factor by setting each one equal to zero and solving the resulting linear equations:

x + 3 = 0   or   x + 1 = 0

x = –3   or   x = – 1

Step 3:

These two values are the solution to the original quadratic equation. So my answer is:

x = –3, –1

Step 4:

Checking x = –3:

[–3]2 + 4[–3] + 3

9 – 12 + 3

=-3+3

=0

Step 5:

Result

Checking x = –1:

[–1]2 + 4[–1] + 3

1 – 4 + 3

-3 +3  =0

The value of x=-3 and -1

a line is an defined derm because it

a)contains an infinite number of points b) can be used to create other geometric shapes c)describes something that does not have width or depth d) is a term that does not have a formal definition. a line is an undefined term because it: contains an infinite number of points.

if the pizza is divided equally into 2 equal halves then you would get

πr^2/2

where r is the radius of the pizza.

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