3 years ago

If x+y=10 and x-y=4,find the value of xx-yy

1 answer:

6 0

Hi,
$x^2-y^2=(x+y)*(x-y)=10*4=40$

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algol [13]

-2|x-4|+7 = -3

-2|x-4| = -10

|x-4| = 5

Two forms:

x-4 = 5 : x = 9
or
x-4 = -5 : x = -1

7 0

3 years ago

Rzqust [24]

Answer:

538,757

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3 years ago

RSB [31]

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3 years ago

LiRa [457]

こんにちは、これを読んでいただきありがとうございます。私は英語が話せないので、あなたの質問には答えられないと言いたかっただけです。ごめんなさい。

4 0

3 years ago

AfilCa [17]

Answer:

THE y eso que es?

Step-by-step explanation:

6 0

3 years ago

If x+y=10 and x-y=4,find the value of x*x-y*y