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Earn +20 ptsQ: What does 2x2 minus 8x equals -8?
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Who can solve 2x2 equals 8x?
2x2 = 8x x = 8x/2x x = 4 Check: 2(4)2 = 8(4) 2(16) = 32 32 = 32
How do you factorise x3 plus 2x2-8x plus 5 equals 0?
x3 + 2x2 - 8x + 5 = 0 x(2x - 8) + 5 = 0
What is 3 minus x equals 8?
3 - x = 8x = 3 - 8x = - 5
How do you solve 2x2 equals 8x?
2x2 is 4, so if 4=8x then x=1/2. 1/2 times 8 is the same as 8 divided by 2 (8/2), which simplifies to 4/1, or 4. So x=1/2.
What is 8x squared minus 8x minus 16 in factorization form?
(4x-8)(2x+2)
What does 2x2 minus x2 equal?
2x2=4 X -2=-8
5x plus 8 equals 16-3x?
5x + 8 = -3x + 16 add 3x to both sides, this gives you... 8x + 8 = 16 minus 8 from both sides, this gives you... 8x = 8 divide by 8 to get what x equals (must divide both sides), this gives you... x = 1
How how do you factorise 3x squared minus 8x?
3x2 - 8x = x(3x - 8)
8x plus 8 equals 40 what is x?
8x + 8=40 8x=40-8 8x=32 x=32/8 x=4
What is -104 equals 8x?
-104 = 8x Divide both sides by 8. -104/8 = 8x/8 -13 = x
Find the slope if it exists for this problem y equals -8x plus 8?
-8x ----- 8
8 times plus 32 equals 56?
8 times 3 plus 32 equals 56. 8x + 32 = 56 8x + 32 - 32 = 56 - 32 8x = 24 8x / 8 = 24 / 8 x = 3
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