Factor.

x2−5x+6

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x2−5x-6= ( ) ( )

Step-by-step explanation:

Factoring is usually just a bit of guess and check.   is written in the form , where , , and .

You need to find the two numbers that multiply together to equal and can be added together to get .  These are and in this case.

Now, put them together in the form .  We will now check this answer using the FOIL method.

First term in each parentheses:

Outside terms:

Inside terms:

Last term in each parentheses:

Now, add these together:

Since we get the original expression, this is correct.

proofs involving isosceles triangles often require special consideration because an isosceles triangle has several distinct properties that do not apply to normal triangles.(more about triangle types) therefore, when you are trying to prove that two triangles are congruent, and one or both triangles, are isosceles you have a few theorems that you can use to make your life easier.

step-by-step explanation:

an isosceles triangle has two congruent sides and two congruent angles. the congruent angles are called the base angles and the other angle is known as the vertex angle. ∠bac and ∠bca are the base angles of the triangle picture on the left. the vertex angle is ∠abc