sarimahmed
sarimahmed
29-08-2021
Mathematics
contestada
If x+y=10 and x-y=4 find the value of x2-y2
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bermatematikacom
bermatematikacom
29-08-2021
Answer:
40
Step-by-step explanation:
[tex]x^2 - y^2 = (x+y)(x-y) = 10\times 4 = 40[/tex]
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