Math Problem Statement

Factor the quadratic trinomial: x^2 - 4x - 5

Solution

The problem shown in the image is asking to factor the trinomial x24x5x^2 - 4x - 5.

To factor this trinomial, we need to find two numbers that multiply to give the constant term (-5) and add to give the coefficient of the middle term (-4).

The numbers that satisfy these conditions are:

  • Multiply to give -5
  • Add to give -4

These numbers are -5 and +1.

So, we can factor the expression as: x24x5=(x5)(x+1)x^2 - 4x - 5 = (x - 5)(x + 1)

Thus, the factored form is: (x5)(x+1)(x - 5)(x + 1)

Would you like more details on the factoring process or have any further questions?


Here are 5 related questions:

  1. How do you factor trinomials when the leading coefficient is not 1?
  2. What is the difference between factoring and expanding a quadratic?
  3. How can you use the quadratic formula to verify factored trinomials?
  4. How do you apply factoring in solving quadratic equations?
  5. What happens if a trinomial cannot be factored?

Tip: Always check by multiplying your factors to see if they give you back the original trinomial.

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Math Problem Analysis

Mathematical Concepts

Algebra
Factoring Trinomials
Quadratic Expressions

Formulas

(x - r)(x - s) where r and s are roots of the trinomial

Theorems

Zero Product Property

Suitable Grade Level

Grades 7-9