CINCO CONSECUENCLAS DE UNA ERUPCION \( * \) \( * \) \( * \)

4. \( \frac{2 x}{3}=\frac{x}{2}+4 \) 5. What is \( 125 \% \) of 3200 ?

Factor the trinomial using the ac-method. Select "Prime" If the polynomial cannot be factored. \( -172 x+84+80 x^{2} \) \( -172 x+84+80 x^{2}=\square \)

2. \( x^{3}-4 x-x^{2}+\mathrm{x}= \)

Find the complex conjugate of \( -6+7 i \). The complex conjugate of \( -6+7 i \) is (Type your answer in the form \( a+b i \).)

Factor the trinomial using the ac-method. Select "Prime" if the polynomial cannot be factored. \[ 10 m^{2}+m-3 \] \( 10 m^{2}+m-3=\square \)