Question

solve the quadratic equation x²+17x+30=0​

Answer 1

Answer:

${x}^{2} + 17x + 30 = 0$

${x}^{2} + 15x + 2x + 30 = 0$

$x(x + 15) + 2(x + 15) = 0$

$(x + 2)(x + 15) = 0$

$x + 2 = 0 \: or \: x + 15 = 0$

$x = - 2 \: or \: - 15$

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