Question

Find the volume of cuboid whose dimensions are (x2−2),(2x+2) and (x-1).

Answer 1

Answer:

volume = l×b×h

=(x²-2) (2x+2) ( x-1)

=2x³+x³-4x-4+2x²-x²-2x+2

=4x³+x²-6x-2

=2x²(2x+1)- 3(2x+1)

=(2x²-3)(2x+1)

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Answer 2

vole of cuboid is equal to l ×b ×h

=( x*2 -2 )(2x*2 - 2x +2x -2 )

= (x*2 -2 )(2x*2 - 2 )

= ( 2 x*4 -2x*2 -4x*2 +4 )

= ( 2x*4 -6x*2 +4 )

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