Factors

Can the expression

$4x^2-47.6x+39.6$

be factored into rational factors?

Result

Yes

No

D =  1632.16

Step-by-step explanation:

$$\begin{gathered} D=(-47.6{)}^2-4\cdot 4\cdot 39.6=1632.16 \\ D=40.4^2 \end{gathered}$$

D= 40.4^2

D = 1632.16

D = 40804/25 = 1632.16

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