Question

Add the following polynomial

7x^4-2x^3+x+10 ; 3x^4+15x^3+9x^2-8x+2

Answer 1

Step-by-step explanation:

mark as braniest answer pls

Answer 2

Answer:

$(7 {x}^{4} - 2 {x}^{3} + x + 10) +(3 {x}^{4} + 15 {x}^{3} \\ + 9 {x}^{2} - 8x + 2)$

$=(7+3){x}^{4}+(15-2){x}^{3}+ 9 {x}^{2} \\ + (1 - 8)x + (10 + 2)$

$=10{x}^{4}+13{x}^{3}+9{x}^{2} - 7x + 12$