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Nookie1986 [14]
3 years ago
15

Re-write the quadratic function below in standard form y= -(x-3)(x+7) Y=?

Mathematics
1 answer:
bazaltina [42]3 years ago
7 0

Step-by-step explanation:

- (x - 3)(x + 7) \\(  - x + 3)(x + 7) \\  -  {x}^{2}  - 7x + 3x + 21 \\  =  -  {x}^{2}  - 4x + 21

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First we subtract 18x from both sides

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What is -9x-(2x/-3) When x equals 7
yuradex [85]
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<span>Apply the fraction  rule : \frac{a}{-b} = - \frac{a}{b}</span>

= - \frac{175}{3}

hope this helps!

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