Answer:
perimeter= 10x+12
area= 5x^2+29x-6
Explanation:
perimeter = 3x-1 + x+6+4x+7+2x
=10x+12
perimeter=10x+12
area= 4x+7 - 3x-1
=x+6
x+6 times 2x= 2x^2+12x
3x-1 times x+6= 3x^2+18x-x-6
=3x^2+17x-6
2x^2+12x. +. 3x^2+17x-6
=5x^2+29x-6
area=5x^2+29x-6
I think those r the answers hopefully :)