Question

$3^{x^{2} +x-12}=11$

Answer 1

3ˣ²⁺ˣ⁻¹² =1
3ˣ²⁺ˣ⁻¹² =3⁰
х²+х-12=0
D=1+48=49      √D=7
x₁=(-1+7)/2=3
x₂=(-1-7)/2=-4