find the value of the following algebraic expression;A) Y²-X when X=7 and y = 7
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Answer:
x= 7 ( given )
y= 7 ( given )
value of y^2- x = ?
By substituting the value of x and y in the equation
= y^2-x
= 7^2 -7
= 49-7
= 42
so, the value of y^2-x = 42
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