Answer:
6x^2 + 23x + 21
Step-by-step explanation:
3x+7 x 2x+3
= 3x(2x) + 3x(3) + 7(2x) + 7(3)
= 6x^2 + 9x + 14x + 21
= 6x^2 + 23x + 21
C
You start with 3 and subtract a number
Ion know
s=6
s= 10(1/2)+ -2(1/2)^2
s= 5+ (-1)^2
s= 5+1
