# How do you solve 2x^4 + 2x^3 + x^2 when x = 7?

Jul 6, 2018

$5537$

#### Explanation:

Given: $2 {x}^{4} + 2 {x}^{3} + {x}^{2}$ let $x = 7$

$2 {\left(7\right)}^{4} + 2 {\left(7\right)}^{3} + {\left(7\right)}^{2}$

$= 4802 + 686 + 49$

$= 5537$