Question

Help.What is the value of x, the perimeter and area?

Answer 1

Explanation:

3x^2+3x+76=4x^2+3x-24

0=x^2+-100

x=10 or -10 (rejected)

x=10

Side

3x^2+3x+76 = 3(100)+3(10)+76 = 406

Area:

406^2=164836

perimeter:

4(406)=1624