Answer: 4x+12 or -3 hope this helps
Explanation:
4(x+3)
Multiply each term in the parentheses by 4
4x+4 times 3
Multiply the numbers
4x+12
or
4(x+3)
To find the roots of the polynomial set the expression equal to 0
4(x+3)=0
Solve the equation for x
X=-3
The root of the polynomial is the solution of the corresponding polynomial equation.
-3