Question

${x}^{2} + (x + 1 {) }^{2} + (x + 2 {)}^{2} = 110$
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Answer 1

Step-by-step explanation:

x²+(x+1)²+(x+2)² = 110

or, x²+x²+2x+1+x²+4x+4-110 = 0

or, 3x²+6x-105 = 0

or, 3x²+21x-15x-105 = 0

or, 3x(x+7)-15(x+7) = 0

or, (x+7)(3x-15) = 0

or, x+7 = 0. \or, 3x-15 = 0

or, x = (-7). \or, x = 15/3 = 5

Answer 2

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