Answer:
x^2+10x+24
Explanation:
When we write a polynomial in standard form, the highest-degree term comes first
step 1
Rectangle formula
a= l x w a= area. l= length. w= width
a= (x+4)(x+6)
distribute the equation. note" Square"= ^2
a= (x+4)(x+6)
a= x*x+x*6+4*x+6*4
a=x^2+6x+4x+24
a=x^2+10x+24