1) \( \frac{x^{2}+2 x-3}{x+3}=-4 \)
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To solve the equation \( \frac{x^{2}+2 x-3}{x+3}=-4 \), start by eliminating the fraction. Multiply both sides by \( x + 3 \) (note that \( x \neq -3 \) to avoid division by zero): \[ x^{2} + 2x - 3 = -4(x + 3) \] Distributing gives: \[ x^{2} + 2x - 3 = -4x - 12 \] Now, rearranging all terms to one side leads to: \[ x^{2} + 6x + 9 = 0 \] This can be rewritten as: \[ (x + 3)^{2} = 0 \] Taking the square root of both sides, we find: \[ x + 3 = 0 \implies x = -3 \] However, remember that \( x = -3 \) was excluded due to the initial fraction. Therefore, there are no valid solutions to the equation.