expand-3x2-42-and-show-each-step-paying-special-attention-to-powers-of-x

Question

Expand $$(3x2+4)2(3x^2$$ + $$4)^2.$$

Accepted Answer

$$9x4+24x2+169x^4$$ + $$24x^2 + 16$$

Answer

$$9x4+12x2+169x^4$$ + $$12x^2 + 16$$

Answer

$$6x4+24x2+166x^4$$ + $$24x^2 + 16$$

Answer

$$9x2+24x+169x^2 + 24x + 16$$

Expand (3x2+4)2(3x^2 + 4)^2.