Question

The product of -3x(x+3) and (x-5) is
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Answer 1

Answer:

$- 3 {x}^{3} + 6 {x}^{2} + 45$

Step-by-step explanation:

$- 3x(x + 3) \times (x - 5) \\ \\ ( - 3 {x}^{2} - 9x) \times (x - 5) \\ \\ { - 3x}^{3} + 15 {x}^{2} - 9 {x}^{2} + 45 \\ \\ - 3 {x}^{3} + 6 {x}^{2} + 45$