if x= 8 y= 9,(x+y)(x+y)
Answers
Answered by
1
Answer:
x^2+y^2
8^2+9^2
64+81
=145
Answered by
1
Answer:
289
Step-by-step explanation:
(x+y)(x+y)
=(x+y)^2
=x^2+y^2+ 2×x×y
=64+81+144
= 289
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