Question

3x(4x-5)+3.here x=1/2​

Answer 1

• As per the data given in the question, we have to find the value of the expression.

            Given data:-  $x=\frac{1}{2} .$

            To find:- Value of the expression $3x(4x-5)+3.$

            Solution:-

• In the above equation, we have a value of $x=\frac{1}{2} .$  
• So that put the value of the given expression

         We get,

        $3x(4x-5)+3\\\\begin{array}{l}=3\left(\frac{1}{2}\right)\left(4\left(\frac{1}{2}\right)-5\right)+3 \\=\frac{3}{2}\left(4\left(\frac{1}{2}\right)-5\right)+3 \\=\frac{3}{2}(2-5)+3 \\=\frac{3}{2}(-3)+3 \\=\frac{-9}{2}+3 \\=\frac{-3}{2}\end{array}$

       Hence we will get the value $\frac{-3}{2} .$