1.5 / (4x - 1) = 0.4 / (x + 4)
find x

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

Ineed me i stuck and i don’t want to get it wrong

Write the expression 7x^3-28xy^2 as the product of 3 factors