Question 13182
An easy way to go about this is to try and get as close as possible to the original. So, within the brackets 4x has become 8x, and 5 has become 10. Therefore, we can factor out a 2 to get:
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2x6(4x+5(3.14) = ?
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Now we want the 6 to become a three, so we simply factor a 2 out from the 6 to give us:
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2x2x3(4x+5(3.14))=?
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Now you've come really close to the original. You multiply the two 2's on the outside to get:
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4(3(4x+5(3.14)))
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From this we know that 6(8x+10(3.14)) is equivalent to 4P.