Problem

Factor the expression 64x3125

Answer

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Answer

Step 3: Substitute a and b into the formula to get (4x5)((4x)2+4x5+(5)2)=(4x5)(16x2+20x+25)

Steps

Step 1 :Step 1: Recognize that this is a difference of cubes and it can be written as (4x)3(5)3

Step 2 :Step 2: Apply the formula for factoring a difference of cubes, which is a3b3=(ab)(a2+ab+b2). Here, a = 4x and b = 5

Step 3 :Step 3: Substitute a and b into the formula to get (4x5)((4x)2+4x5+(5)2)=(4x5)(16x2+20x+25)

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