The descriminant of a quadratic equation is negative. one solution is 3+4i what is the other solution?

Adding and subtracting matricesfind the value of each variable. x = and y = would

Mustafa contributes 11% of his $67,200 annual salary to his 401k plan. what is his pretax income

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?