Question 158251
{{{4ac}}} Start with the given expression.



{{{4(3)(5)}}} Plug in {{{a=3}}} and {{{c=5}}}



{{{12(5)}}} Multiply 4 and 3 to get 12



{{{60}}} Multiply  12 and 5 to get 60



So {{{4ac=60}}} if {{{a=3}}} and {{{c=5}}}