Math, asked by ajinkya7766, 3 months ago

21x=196-x square
please solve this ​

Answers

Answered by sonybangera7
1

Step-by-step explanation:

21x=196-x²

x²+21x-196=0

x²+7x-28x-196=0

x(x+7)-28(x+7)=0

(x+7)(x-28)=0

X=-7 or X=28

Hope this helps!!!

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