2 years ago

ABCD = EFGH find EF ab=5 dc=4 fg=1

1 answer:

7 0

AB=EF, so EF=5.

5 is your answer.

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tatuchka [14]

For this case we must factor the following expression:

$3x ^ 2-8x + 5$

We rewrite the middle term as a sum of two terms whose product is

$a * c = 3 * 5 = 15$

And whose sum is

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These numbers are:

-5 and -3

So:

$3x ^ 2-5x-3x + 5$

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We take common factor $(3x-5):$

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