Answer:
answer are
a.k=13.5;13.5y=x
b.k=1.5;y=1.5x
c.k=1.5;y=1.5/x
d.k=13.5;xy=13.5
Given Equation
Step by step expansion:
Reason:
(a + b)(a - b) = a²- b²
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Step-by-step explanation: