( x + 2 ) ( x - 2 ). How to simplify
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Answered by
10
Answer:
(x+2) (x-2)
Step-by-step explanation:
x^2-4=0
x=2,-2
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Answered by
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Step-by-step explanation: Expand
(x+2) (x-2)
Using the formula method,
(x+a) (x-b) = x²=x(a-b)-b
(x+2) (x-2) = x(x-2)+2(x-2)
x²-2x+2x-2
x²+x(2-2)-2
Therefore,
It is in form of ax²+bx-c
Therefore, the expansion form of (x+2) (x-2) is x²+x(2-2)-2
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