Question

${x}^{2} + 8x + 15 = 0$
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Answer 1

Step-by-step explanation:

${x}^{2} + 8x + 15 \\ {x}^{2} + 3x + 5x + 15 \\ ( {x}^{2} + 3x) + (5x + 15) \\ x(x + 3) + 5(x + 3) \\ (x + 3)(x + 5) = 0 \\ x + 3 = 0 \: or \: x + 5 = 0 \\ x = - 3 \: or \: x = - 5 \\ mark \: it \: as \: a \: brainliest \: pls$