13(y+3)=13y+39
mutiply the bracket by 13
(13)(y)= 13y
(13)(3)= 39
13y+39= 13y+39
move 13y to the right side
sign changes from +13y to -13y
13y-13y+39= 13y-13y+39
0+39= 0+39
39= 39
Answer:
all real numbers
Answer:
To quickly solve this problem, we can use a graphing tool or a calculator to plot the equation.
Please see the attached images below, to find more information about the graph
The equation is:
f(x) = x^4 – 2x^3 + 5x^2 – 7x + 9
The equation has only complex roots.
Answer what I can’t see anything ?