Evaluate the product of $(y - 4) (y + 6)$

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Solution

The given polynomials are $y - 4$ and $y + 6$ we multiply them as follows:

$(y - 4) (y + 6) = (y \times y) + (y \times 6) + (- 4 \times y) + (- 4 \times 6) = y^{2} + 6 y - 4 y - 24 = y^{2} + 2 y - 24$

Hence, $(y - 4) (y + 6) = y^{2} + 2 y - 24$ .

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