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Arturiano [62]
3 years ago
15

PLEASE HELP!! Factor. 4x^2−49y^2

Mathematics
1 answer:
Zanzabum3 years ago
5 0

Answer:

(2x-7y) (2x+7y)

Step-by-step explanation:

4x^2−49y^2

This is the difference of squares

a^2 - b^2 = (a-b) (a+b)

a^2 =4x^2   so a = 2x

b^2 = 49y^2  so b =7y

4x^2−49y^2 = (2x-7y) (2x+7y)

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4 years ago
What polynomial should be subtracted from the polynomial y^2–5y+1 to get the difference equal to: y^2
fomenos
<h3>Answer:</h3>

-5y +1

<h3>Step-by-step explanation:</h3>

Let the polynomial to be subtracted be represented by Q. Then you want ...

... (y^2 -5y +1) -Q = y^2

... (y^2 -5y +1) = y^2 +Q . . . . add Q

... (y^2 -5y +1) -y^2 = Q . . . . .subtract y^2

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