Question

xpower2=5x+6are . solve the eguation

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Answer 1

Answer:

${x}^{2} = 5x + 6 \\ \\ = > {x}^{2} - 5x - 6 = 0 \\ \\ = > {x}^{2} - (6 - 1)x - 6 = 0 \\ \\ = > {x}^{2} - 6x + x - 6 = 0 \\ \\ = > x(x - 6) + 1(x - 6) = 0 \\ \\ = > (x - 6)(x + 1) = 0 \\ \\ either \: x - 6 = 0 \\ \\ = > x = 6 \\ \\ or \: x + 1 = 0 \\ \\ = > x = - 1$

hope it helps :)