Question

Multiply the following polynomial expressions, using either the box/frame method, or the distributive property(2 + 1)(x - 3)

Answer 1

Step 1:

To multiply (x + 1) (x - 3)

Step 2:

`\begin{gathered} (x\text{ + 1) }(x\text{ - 3)} \\ x\text{ }(x\text{ - 3) +1 (x - 3)} \\ x^2\text{ - 3x + x -3} \\ x^2\text{ - 2x - 3} \end{gathered}`

CONCLUSION:

`(x+1)(x-3)=x^2\text{ -2x -3}`