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Rapid combustion is a form of combustion in which large amounts of heat and light energy are released. This often occurs as a fire. This is used in a form of machinery, such as internal combustion engines, and in thermobaric weapons.
\begin{lgathered}3 {x}^{2} + 14x + 15 \\ 3 {x}^{2} + 9x + 5x + 15 \\ 3x(x + 3) + 5(x + 3) \\ (x + 3)(3x + 5)\end{lgathered}(x+3)(3x+5)
Step-by-step explanation:
\begin{lgathered}3 {x}^{2} + 14x + 15 \\ 3 {x}^{2} + 9x + 5x + 15 \\ 3x(x + 3) + 5(x + 3) \\ (x + 3)(3x + 5)\end{lgathered}
3x
2
+14x+15
3x
2
+9x+5x+15
3x(x+3)+5(x+3)
(x+3)(3x+5)