Substitute 51/5x into
Substitute that into
Hope this helps. Answer should be correct. Unless your quadratic equation is wrongly stated.
V=V of cube- V pyramid= 8^3- 7^2*8/3=512-49*8/3=512-130,67=381.33 cm^3
So you basically want us to answer for u anyway well it’ll be:
For 2< it’ll have to be something greater that two or 2 and then for <5 it’ll be the same so for example if it was like that I’ll do it like this: 3x5=15
Hope That Helped!