find the value of a²-b² when a=-1 and b=2
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Answered by
2
Answer:
a^2-b^2=(a+b)(a-b)
Step-by-step explanation:
(-1)^2-(2)^2=(-1+2)(-1-2)=. 1(-3)=-3
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Answered by
1
Step-by-step explanation:
a2 - b2
By putting the value of a and b
-1 square - 2 square
1 - 4
-3 is the answer
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