Question

add 9xpower2-4x+5 and 3x power 2+2x-1​

Answer 1

Answer:

$\: \: \: \: \: \: \: \: \: 9 {x}^{2} - 4x + 5 \\ ( + ) \: \: 3 {x}^{2} + 2x - 1 \\ - - - - - - - - - \\ \: \: \: \: \: \: 12 {x}^{2} - 2x + 4 \\ - - - - - - - - -$