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Q: What is 12x 9 equals?

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12x+6y=9 - 1 4x+2y=0 - 2 y=-2x sub y= -2x into 1, 12x+6(-2x)=9 12x-12x=9 0=9 thus, no solution.

6

The answer to the problem of 12X plus 13 equals 9 is x equals -1/3.

1 and 3

2x + 3 = -92x = -12x = -6

4x2 - 12x + 9 = 5; whence, 2x - 3 = ±√5, and 2x = 3 ±√5. Therefore, x = ½ (3 ±√5).

3x multiplied by (12x plus 9) is:3x(12x + 9)= (3x * 12x) + (3x * 9)= 36x2 + 27x

The answer to -12x minus 17 equals negative 89 is x equals 6.

It is: 122-4*(9*-2) = 216

9X = 12X - 9 subtract 12X from each side -3X = -9 divide each side by -3 ( remember, dividing negative by negative number = positive number ) X = 3 check 9(3) = 12(3) - 9 27 = 27 checks

(2x + 3)(2x + 3)

If you mean: (12x-3)(12x+3) then it is 144x^2 -9

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