Math, asked by rahulsingla68, 10 months ago

5x=50square -40square using identity a+b. a-b

Answers

Answered by studycbse100

1

step1 . 5x= 50^2 - 40^2 step 2. 5x= (50+40)(50-40) .....

step 3. 5x= 90×10.... step 4. x= 900/5 .... step 5. x=180

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