How do you find the value of the expression 3m2 + 2p2 − 15 when m = 3 and p = 10?
I need someone to check my work, this is how I did it:
3(3)^2 + 2(10)^2 - 15
(3 x 3 = 9^2 = 81) (2 x 10 = 20^2 = 400)
81 + 400 - 15
= 466
I need someone to check my work, this is how I did it:
3(3)^2 + 2(10)^2 - 15
(3 x 3 = 9^2 = 81) (2 x 10 = 20^2 = 400)
81 + 400 - 15
= 466
1 Answer
Jun 12, 2018
Explanation:
#"substitute the given values into the expression"#
#=3(color(red)(3))^2+2(color(blue)(10))^2-15#
#=(3xx9)+(2xx100)-15#
#=27+200-15=212#
