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What is the solution of the equation x square -12x equals 8?
X2 - 12X = 8 X2 - 12X - 8 = 0 Looks like a job for the quadratic formula. X = - b (+/-) sqrt(b2 - 4ac)/2a a = 1 b = -12 c = - 8 X = - (- 12) (+/-) sqrt[(- 12)2 - 4(1)(- 8)]/2(1) X = 12 (+/-) sqrt(144 + 32)/2 X = 12 (+/-) sqrt(176)/2 X = [12 (+/-) 4sqrt(11)]/2 =======================exact answer, less factor elimination. you do approximation.
What is the solution of the equation x-8 equals 17?
x - 8 = 17x = 25 (add 8 to both sides)
If x is a positive integer solve x2 plus 6x equals 16?
x2 + 6x = 16x2 + 6x - 16 = 0(x + 8)(x - 2) = 0x + 8 = 0 or x - 2 = 0x = -8 or x = 2Since it is given that x > 0, then x = -8 is not a solution of the equation. Thus, the only solution is x = 2.
If y varies directly with x find the constant of variation if x equals 8 and y equals 12?
y = cx when x = 8, y = 12 so that 12 = 8c which gives c = 12/8 = 1.5
What equation has a solution of 9?
Of course, x-1=8 is a solution. Any equation which results with the variable value as 9 is ur answer. For eg: x = 9 / x-9 = 0 1 - x = -8 / x-1 = 8 x-2 = 7 / 2-x = -7 Any, any such equation will be your answer(correct answer). Enjoy
