what is the value of x2-y2 if(x+y)=9, (x-y)=4​

Question

what is the value of x2-y2 if(x+y)=9, (x-y)=4​

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Liliana 2 weeks 2021-09-10T15:29:44+00:00 2 Answers 0 views 0

Answers ( )

    0
    2021-09-10T15:31:02+00:00

    Answer:

    Given x+ y= 9

    x – y= 4

    To find x^2- y^2

    solution

    x^2 – y^2=

    (x+ y)(xy)

    (9)(4) ( given)

    9×4

    36

    0
    2021-09-10T15:31:36+00:00

    Answer:

    2*13/2=13 -9/2*2=4 answer is 4

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