3 years ago

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

1 answer:

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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