Answer:
1000
Step-by-step explanation:
Lets just say x is the bigger number. We can create two equations.
x + y = 70
x - y = 30
If we add these equations together, we get that:
2x = 100
and that
x=50
Plugging x back into any of the equations gets us that y = 20, so xy = 20*50 = 1000
<span> (256 • (x3) - ( 2^2• 5^3 y^3)
______________________________________________________________
</span><span> 2^8 x^3 - ( 2^2 • 5^3 y^3)
</span>
256x^3 - 500y^3 = 4 • (64x^3 - 125y^3)<span>
</span><span>
64x^3 - 125y^3
</span>______________________________________________________________
<span>final factoization:
(4x - 5y) • </span><span> (16x^2 + 20xy + 25y^2)</span><span> </span>
