# How do you simplify the expression (5x+1)^2 +(3x-5)^2?

Jun 8, 2018

$34 {x}^{2} - 20 x + 26$
${\left(a + b\right)}^{2} = {a}^{2} + 2 a b + {b}^{2}$
${\left(a - b\right)}^{2} = {a}^{2} - 2 a b + {b}^{2}$
$25 {x}^{2} + 10 x + 1 + 9 {x}^{2} - 30 x + 25$
$34 {x}^{2} - 20 x + 26$