x = ¼x^4 + 4x + k where k can be any number
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2 squared is 4 3 cubed is 27 27 plus 4 is 31
False
[ x3 - 4x2 + 7x ] / (x) = x2 - 4x + 7
-4 plus 4 equals zero.
The cube of a number occurs when three of that number have been multiplied together - This is also referred to as 'raising to the power of 3'. So. 4 x 4 x 4 = 64 is 4 cubed (or 43). The cube root of a number is the number whose cube equals the given number. So, the cube root of 64 is 4, (as 4 cubed equals 64).