please answer oues. in pic
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arpitverma58:
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A )-
5x=45^2-40^2
5x=2025- 1600
5x=425
x=425/5
x=85
_______________________
B)-
7x=35^2-21^2
7x=1225-441
7x=784
x=784/7
x=112
_______________________
C)-
9x=27^2-18^2
9x=729-324
9x=405
x=405/9
x=45
_______________________
D)-
8x=24^2-16^2
8x=576-256
x=320/8
x=40
5x=45^2-40^2
5x=2025- 1600
5x=425
x=425/5
x=85
_______________________
B)-
7x=35^2-21^2
7x=1225-441
7x=784
x=784/7
x=112
_______________________
C)-
9x=27^2-18^2
9x=729-324
9x=405
x=405/9
x=45
_______________________
D)-
8x=24^2-16^2
8x=576-256
x=320/8
x=40
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