Answer
Appendix A - Ex. Set : 45 (Answer)
$(3x + \frac{1}{2})(3x - \frac{1}{2})$
$= 9x^2 - \frac{1}{4}$
Work Step by Step
Appendix A - Ex. Set : 45 (Solution)
$(3x + \frac{1}{2})(3x - \frac{1}{2})$
$= (3x)^2 - (\frac{1}{2})^2$ (Multiplying the sum and difference of the same two terms.)
$= 9x^2 - \frac{1}{4}$
