Question

Fill in the table with the missing values of a, b, c, and d.

Answer 1

Number 1

`\mathrm{Factor}\: x^2-8x+15\colon\quad \mleft(x-5\mright)(x-3)`
`\begin{gathered} \\ \mathrm{Factor}\: x^2-8x+15\colon\quad (x-5)(x-3) \\ \text{comparing} \\ x^2-8x+15=\mleft(ax+b\mright)\mleft(cx+d\mright) \\ a=1 \\ b=-5 \\ c=1 \\ d=-3 \end{gathered}`

The final answer