# How do you simplify (2x - 5)(x - 9)?

Apr 11, 2018

2x²-23x+45
$\left(2 x - 5\right) \left(x - 9\right) = 2 x \cdot x - 2 x \cdot 9 - 5 \cdot x - 5 \cdot \left(- 9\right)$
=2x²-18x-5x+45
=2x²-23x+45