simplify the index expression to find the value of x
giving brainliest pls help

»[tex]\frac{b^{12} × b}{b^7 × b^4} = b^x[/tex]
»[tex]\frac{b^{13}}{b^{11}} = b^x [/tex]
»[tex]b² = b^x[/tex]
»x = 2✅