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is x = -12 a solution of x^2 +10x+25=49?

Sagot :

Ghaithghidn

Answer:

Yes

Step-by-step explanation:

[tex] {x}^{2} + 10x + 25 = 49 \\ {x}^{2} + 10x + 25 - 49 = 0 \\ {x}^{2} + 10x - 24 = 0 \\ (x + 12)(x -2 ) = 0 \\ \\ x + 12 = 0 \\ x = - 12 \\ \\ \\ x - 2 = 0 \\x = 2[/tex]

I hope I helped you^_^

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