Question

what is the zero of xsquare + 6x + 9​

Answer 1

Answer:

The zeros are -3 and -3

Step-by-step explanation:

${x}^{2} + 6x \: + \: 9$

= x^2 + 3x + 3x + 9 =0

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

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

x= -3 , -3

Answer 2

Answer:

The zero of x²+6x+9 = -3

Step-by-step explanation :

Zeroes of a polynomial are real values of a variable for which the value of the polynomial becomes zero.

On factorisation of the polynomial x²+6x+9

x²+3x+3x+9

And equating it to zero to find the value of the variable, we get

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

x = -3

So the zero of the polynomial given is -3.