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If by "answer" you mean the value of a, then there are two answers: 4 - 2√3, and 4 + 2√3. If you mean that it should be factored, there are two ways to think about it:
- Set the whole thing equal to 0 by subtracting 12. Then you get an irreducible quadratic, i.e. one that does not factor.
- Factor only the left side, and consider each part individually. The left side of this equation factors as (a - 4)2.
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Earn +20 ptsQ: What is the answer of a square minus 8a plus sixteen equals 12?
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What is a square root of a square?
Plus or minus the base. If the base is X and you square it, you get X2. If you take the square root of that, you get Plus or Minus X. This is because X*X equals X2 and -X*-X also equals X2.
If sin2a plus cos2a equals 1 does sin2a minus cos2a equals 1 also ... 2 means square and a means alpha?
No. But sin2a equals 1 minus cos2a ... and ... cos2a equals 1 minus sin2a
What are the solutions to x squared minus twelve x plus sixteen equals zero?
Quadratic formula gives roots as 1.53 and 10.47 (to nearest hundredth.)
How do you solve x squared minus ten x plus sixteen equals zero?
Factor it. (x - 8)(x - 2) x = 2, 8
What is 8 plus 8 equals?
16 sixteen
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