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a) (x + 3)( X + 5 )
x( x + 3 )+ 5 (x + 3 )
x square + 3 X + 5 x + 15
X square + 8 x + 15
b)( 3 x minus 2)( X + 4)
x (3 x - 2 )+ 4(3 X - 2 )
3 x square - 2 X + 12 x -8
3 X square + 10 x - 8
c)x(x - 7)
x square - 7 x
Answer:
4, -26/3
Step-by-step explanation:
The length of the diagonal of the container is the square root of length squared plus width squared plus height squared. This is then, solving, we get x = 4, or x = -26/3