Q: 4x squared minus twenty equals zero?

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X=1

Zero minus zero equals zero.

0 squared is 0. Zero times zero equals zero.

It Equals 2

It equals 0. Zero times zero equals zero.

zero

x = 5 / 6squared + 7

It can be solved by using the quadratic equation formula.

Without that other number, all you've got is zero.

That factors to (x + 1)(x - 3) x = -1, 3

It equals 1

17 minus 17 equals zero

five one six minus one six equals five zero zero

x = 1

It is, as stated, x2 - 5x + 25/4 = 0

Quadratic formula gives roots as 1.53 and 10.47 (to nearest hundredth.)

Any number minus itself equals zero. Any number plus its opposite equals zero. Any number times zero equals zero.

I'll assume that's - 5c. Then you're looking for numbers that multiply to -24 and add to -5. That's -8 and 3. (c - 8)(c + 3) = 0 c = 8, -3

It is, as stated, 2x2 + x - 1 = 0. That is the quadratic form.

Zero '0'

equals zero, nothing

Without knowing what "x" is, we cannot say what the answer will be. And without knowing the answer, we cannot solve for "x". Set x at zero, for example. Zero squared is zero, plus 6 time zero which is zero, minus 55. Your answer is then -55. Set x at one, for example. One squared is one, plus 6 times 1 which is six, minus 55. Your answer is then -48. Etc.

3x2 - 11x - 4 = 0(3x + 1)(x - 4)x = -1/3 and 4

Anything minus itself equals zero.

Factor it. (x - 8)(x - 2) x = 2, 8

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