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13 December, 18:42

The first step in determining the solution to the system of equations, y = - x2 - 4x - 3 and y = 2x + 5, algebraically is to set the

two equations equal as X? - 4x - 3 = 2x + 5. What is the next step?

Set y = 0in y = - x? - 4x - 3.

Factor each side of the equation.

Use substitution to create a one-variable equation.

Combine like terms onto one side of the equation

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Answers (1)
  1. 13 December, 19:09
    0
    Combine like terms onto one side of the equation

    Step-by-step explanation:

    You have

    -x^2 - 4x - 3 = 2x + 5

    It seems that we should combine like terms to make this equations smaller.

    -x^2 - 4x - 3 - 2x - 5 = 0

    -x^2 - 6x - 8 = 0

    - (x + 2) (x + 4) = 0

    x = - 2 or x = - 4
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