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x2 - 4 = (x + 2) (x - 2)

Q: How do you factor x to the second power minus four?

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192

Four times 3^2 minus two = 34.

4 cubed is 64, 3 squared is 9, so 55.

(2x - 1)(2x + 3)

16 - 2 = 14

Related questions

192

Four times 3^2 minus two = 34.

31

4 cubed is 64, 3 squared is 9, so 55.

4 to the second power times four

3 dB is a change in power by a factor of 2. If it is plus, i.e. +3dB, power is doubled. If it is minus, i.e. -3dB, power is halved. 6 dB, then is a factor of four, or quarter; 6 dB is a factor of eight, or eighth, etc. The actual equation is 3 log2 (POWER OUT / POWER IN).

There are no rational factors.

There are no factors with rational coefficients.

(x + 2)(x - 2)

its easy just maximize the four into the irregular eight that in thus giving it nine that is only in mathematical terms people

5 to the power of 2

(2x - 1)(2x + 3)