Standard Representation: Simplify f(x) = (-x+2)(x+3)

Find the standard representation of the following function

f(x)=(x+2)(x+3) f(x)=(-x+2)(x+3)

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Step-by-step video solution

Watch the teacher solve the problem with clear explanations
00:08 Let's start by representing the function in a simple standard form.
00:13 Make sure to open the parentheses correctly. Multiply each term in the first set, by each term in the second set. Take your time with this step.
00:25 Now, let's gather like terms together to simplify.
00:29 And that's how we solve the problem! Great job!

Step-by-step written solution

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1

Understand the problem

Find the standard representation of the following function

f(x)=(x+2)(x+3) f(x)=(-x+2)(x+3)

2

Step-by-step solution

To solve this problem, we'll follow these steps:

  • Step 1: Use the FOIL method to expand the product of binomials.
  • Step 2: Combine like terms to simplify the expression.

Now, let's work through each step:

Step 1: Expand the product (x+2)(x+3)(-x+2)(x+3) using the FOIL method:
First terms: xx=x2-x \cdot x = -x^2
Outer terms: x3=3x-x \cdot 3 = -3x
Inner terms: 2x=2x2 \cdot x = 2x
Last terms: 23=62 \cdot 3 = 6

This gives us the expression:
x23x+2x+6 -x^2 - 3x + 2x + 6

Step 2: Combine like terms:
Combine 3x-3x and 2x2x to get x-x.
Thus, the expression simplifies to:
x2x+6 -x^2 - x + 6

Therefore, the standard form of the function is f(x)=x2x+6 f(x) = -x^2 - x + 6 .

3

Final Answer

f(x)=x2x+6 f(x)=-x^2-x+6

Practice Quiz

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Create an algebraic expression based on the following parameters:

\( a=2,b=2,c=2 \)

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