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Earn +20 ptsQ: What is 2x2 when x equals -2?
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What is 2x2-2 equals -5x-1?
2x2-2 = -5x-1 2x2+5x-2+1 = 0 2x2+5x-1 = 0 Use the quadratic equation formula to find the values of x: x = 0.1861406616 or x = -2.686140662
What are the values of x in 2x2 -3 equals -6x -2?
2x2-3 = -6x-2 2x2+6x-3+2 = 0 2x2+6x-1 = 0 When factored with the help of the quadratic equation formula: (2x-0.3166247904)(x+3.1583123952) = 0 Therefore: x = 0.1583123952 and also x = -3.1583123952
Negative x to the second power plus positive x to the second power equals what?
It equals 0. * * * * * Unless the question is (-x)2 + (+x)2. In that case, the answer is 2x2
How do you factor 2x2 plus 10-9x equals 0?
2x2 + 10 - 9x = 0 or 2x2 - 9x + 10 = 0 So (x - 2)*(2x - 5) = 0
Who can solve 2x2 equals 8x?
2x2 = 8x x = 8x/2x x = 4 Check: 2(4)2 = 8(4) 2(16) = 32 32 = 32
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