Factor the high-degree polynomial expression 7x2+42x+63=0

Question

.(1 point)
x=

Answer 1

The expression can be factored as follows:

7(x^2 + 6x + 9) = 0

Now, we can factor the quadratic expression within the parentheses:

7(x + 3)(x + 3) = 0

So, the factorized form is:

(x + 3)^2 = 0

This means that the only solution is x = -3.