Question

IF a =-2 and b=1,then evaluate a square-b square and a+b

Answer 1

a^2 - b^2 =4 - 1=3

a+b=-1

Answer 2

a = -2 & b = 1

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a^2 + b^

=>(-2)(-2) + (1)(1)

=>4 - 1

=>3

...........

(a + b)

=> [(-2) + 1]

=> (-1)...
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》#hope it help uh.
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