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Earn +20 ptsQ: What is x squared - 4?
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How do you factorise x squared minus 4?
X2 - 4= (x + 2)(x - 2)===========
What is 35 squared in expanded?
35 squared = 420420 = (4 x 100) + (2 x 10) + (0 x 1)
What is x squared minus x minus 20?
(x - 5)(x + 4)
If 2 squared is 4 then what is 9 squared?
92 = 9 x 9 = 81
Y equals 4 divided by x squared what formula is this?
Y = 4/x^2
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