sienna is solving the quadratic equation by completing the square. 3x² + 9x - 4 = 0 3x² + 9x = 4 a(x² + 3x)…

sienna is solving the quadratic equation by completing the square. 3x² + 9x - 4 = 0 3x² + 9x = 4 a(x² + 3x) = 4 what is the value of a? -4 -3 3 4

sienna is solving the quadratic equation by completing the square. 3x² + 9x - 4 = 0 3x² + 9x = 4 a(x² + 3x) = 4 what is the value of a? -4 -3 3 4

Answer

Answer:

3

Explanation:

Step1: Factor out the coefficient of $x^{2}$

Given $3x^{2}+9x = 4$. Factor out 3 from the left - hand side: $3(x^{2}+3x)=4$. So $A = 3$.