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Earn +20 ptsQ: X cubed plus 8
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8 cubed in expanded form?
8 cubed = 8 x 8 x 8 = 512 512 = (5 x 100) + (1 x 10) + (2 x 1)
X cubed minus 8 equals zero but the answer is 2 comma negative 1 plus and minus square root 3. How did they get this as the Answer?
x 3-8
What is x cubed plus x?
x3 + x = x2(x + 1)
What is x cubed plus x cubed?
x + x = 2x. Similarly, x^3 + x^3 = 2(x^3)
What does eight cubed mean?
Eight cubed means: 8 x 8 x 8 = 512 Eight squared is: 8 x 8 = 64 Eight to the fourth power would be: 8 x 8 x 8 x 8 = 4096 it is the same as 83 (if you didn't know how it looked)
Related questions
Factorise x cubed plus 8?
X3 + 8= (x+2)(x2-2x+4)
How do you factor x cubed plus 3xsquaredy plus 3xy squared plus y cubed?
(x + y)(x + y)(x + y)
What is the product 8 cubed?
8^3 = 8 x 8 x 8 = 64 x 8 = 512
What is x if x cubed plus eight equals zero?
x3 + 8 = 0, then x3 = -8, therefore x = -2 -2 x -2 = 4 4 x -2 = -8
What is 8 cubed plus 64?
To cube a number, just use it in a multiplication 3 times. Thus 8 x 8 x 8 = 5123 + 64 = 576
What is the factor 8 x cubed plus 125?
(2x + 5)(4x^2 - 10x + 25)
8 cubed in expanded form?
8 cubed = 8 x 8 x 8 = 512 512 = (5 x 100) + (1 x 10) + (2 x 1)
X cubed minus 8 equals zero but the answer is 2 comma negative 1 plus and minus square root 3. How did they get this as the Answer?
x 3-8
What is 8 cube?
8 x 8 x 8 = 512
How do you factor x cubed plus 8?
(x-1)(x^2+x+1)
Can x cubed plus 25 be factored?
no
What is x cubed plus x?
x3 + x = x2(x + 1)
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