How do you evaluate #a^2+b-c^2# given a=12, b=9, c=4?
1 Answer
Aug 21, 2017
Explanation:
#"substitute the given values into the expression"#
#rArra^2+b-c^2#
#=(12xx12)+9-(4xx4)#
#=144+9-16larrcolor(blue)" evaluate from left to right"#
#=153-16#
#=137#
