Question

if a + b is equals to 9 and a b is equals to minus 2 find a minus b and a square minus b square​

Answer 1

Step-by-step explanation:

(a+b)=9

b=-2

a+b=9

a+(-2)=9

a=11

a-b=(11-(-2))=13

a^2-b^2=(a-b)(a+b)

=13*9

=117

Answer= 117

Answer 2

Answer:

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