Question

6. Find the roots of the equation x2 + 7x + 10 = 0.​

Answer 1

Step-by-step explanation:

${x}^{2} + 7x + 10 = 0 \\ {x}^{2} + 5x + 2x + 10 = 0 \\ x(x + 5) + 2(x + 5) = 0 \\ (x + 2)(x + 5) = 0 \\ \\ x + 2 = 0 \\ x = - 2 \\ \\ x + 5 = 0 \\ x = - 5$

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