Solve for x

x^2 + x - 6 = 0

6(2x+y)+2(x+4y) how can i solve this

Enter the number of complex zeros for the polynomial function f(x) = x 4+ 5x² +6

What is the multiple zero and multiplicity of f(x) = (x ? 3)(x ? 3)(x + 5)? multiple zero is 3; multiplicity is 2 multiple zero is 5; multiplicity is 1 multiple zero is ? 5; multiplicity is 1 multiple zero is ? 3; multiplicity is 2