Question

Find what a equals in this equation. 3%29" id="TexFormula1" title="x(x+a)(x+3) = x(x+3)(x-3)" alt="x(x+a)(x+3) = x(x+3)(x-3)" align="absmiddle" class="latex-formula">

Answer 1

Answer:

a = - 3

Step-by-step explanation:

The equation has common factors x(x + 3) on both sides

For the 2 sides of the equation to be equal, then the factor

(x + a) = (x - 3) and by comparison

a = - 3