Math, asked by tashoka353, 14 days ago

x²-49=(x-7)² true or false​

Answers

Answered by monika806
1

Answer:

false

Step-by-step explanation:

becz

(x-7)² is x²+7²-x×7

= x²+49-7x

Answered by Anonymous
1

Step-by-step explanation:

 {x}^{2}  - 49 = (x - 7) {}^{2}  \\   {x}^{2} - 49 =  {x}^{2}     + 49 - 14x \\  {x}^{2}  - 49 -  {x}^{2}  - 49 - 14x = 0 \\   98 - 14x = 0 \\  - 14x =  - 98 \\ \\ x =  \frac{ - 98}{ - 14}   \\  \\ x = 7

I hope it helps you

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