Math, asked by hp77343, 9 months ago

x square - 11 - 276 =0​

Answers

Answered by karankirat345
3

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The equation is...

 {x}^{2}  - 11x - 276 = 0

Expand it...

 {x}^{2}  + 12x - 23x - 276 = 0

Take the common out...

x(x + 12) - 23(x + 12) = 0

Make brackets...

(x - 23)(x + 12) = 0

And the answer is...

x = 23 \: or \:  - 12

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