I need help ASAP thank u

Find the missing factor. 7s2 + 25s + 12 = (s + 3)( ).

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

If private savings 'v' = 0.75s and total savings 's' equals $4.20 billion, solve for public and private savings.