Question

if A =-2 B=3 then the value of A²-B² =

Answer 1

Answer: -5

Step-by-step explanation: 4-9=-5

Answer 2

Answer:

$a = - 2 \: \: b = 3 \\ ( - 2) {}^{2} - (3) {}^{2} \\ 4 - 9 = - 5 \: answer \\ \\ second \: method \\ a = - 2 \: b = 3 \\ a {}^{2} - b {}^{2} = (a + b)(a - b) \\ ( - 2 + 3)( - 2 - 3) \\ (1)( - 5) = - 5 \: answer$

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