The expression "4 times X to the power of 2" can be written as 4X^2. This means that you multiply 4 by the square of X. In mathematical terms, this expression represents four times the square of a variable X.
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2 root 4 = 2 x 2; -2 to the power 4 is 16 (-2/4/-8/16)
= Z X and Y are examples. 2 to the power of X multiplied by 2 to the power 2 equals 16 What is X? X=2 2 to the power of 2 (2x2) multiplied (X) by 2 to the power of 2 (2x2) (2x2)4 X (2x2)4 = 4X4 = 16
x-2(x)+4/x^2 -4=x-2x+4/x^2 -4=-x-4+4/x^2
A similar question can be solved as below : If x to the power 4 plus 1 upon x to the power 4 equals 23 then what will be (x minus 1 upon x) to the power 2 equals what?a2 + b2 = (a + b)^2 - 2ab.so (x^2 )^2 + (1/x2)^2 = (x^2 + 1/x^2)^2 - 2 = 23.so (x^2 + 1/x^2) = 5.therefore(x - 1/x)^2 = (x^2 + 1/x^2) -2 = 5 -2 = 3.
we write 2 times x as 2x so if x=2, 2x=2(2)=4