How many cubic blocks of side length
7 inch would it take to fill a
cube with a side length of 7 inch?

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Calculate the areas of them:

area = l x w

area = 7 x 7 = 49

(Note : this is the area of the cubic block)

area = l x w

area = 7 x 7 = 49

Now divide them:

49/49 = 1

Thus, you could fit 1 cubic block in it.

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answer: our required factorization will be

(3x+4)(x²-5)

step-by-step explanation:

since we have given that

now, we will write it as :

so, we get

5(3x+4)

similarly,

here, we get,

2(3x+4)

together it becomes,

hence, our required factorization will be

(3x+4)(x²-5)