What is the value of #6x^2+17# when #x=8#?

3 Answers
Mar 3, 2018

#401#

Explanation:

We have the function #6x^2+17#

Simply input #x=8# into it:

#6*(8)^2+17#

#6*64+17#

#401#

Mar 3, 2018

#color(red)(=401)#

Explanation:

#6x^2+17#

[Replacing x=8]

#=6xx(8)^2+17#

#=6xx64+17#

#=384+17#

#color(red)(=401)#

~Hope this helps! :)

Mar 3, 2018

#401#

Explanation:

#"to evaluate substitute "x=8" into the expression"#

#rArr(6xx(color(red)(8))^2)+17#

#=(6xx64)+17#

#=384+17=401#