What is the sum of 2/8+1/8+3/8 in simpkest form

An equation where variables are used to represent known values—function notation true or false

Write a polynomial function f of least degree that has rational coefficients, a leading coefficient of 1, and the given zeros. 3, 4+2i, 1+(sqrt)7 the answer is supposed to be: f(x)=x(^5)-13x(^4)+60x(^3)-82x(^2)-144x+360 what am i doing wrong?

Evaluate the expression. (9 + 5)(3 + 2)0