1.

(25)2-x2=(30)2-(25-x)2​

Answer»

ANSWER:

(25)2 - (X)2= (30)2-(25-x) 2

625-x2=900-(625+x2-50x)

625-x2=900-625-x2+50x

625-x2=275-x2+50x

625-275=x2-x2+50x

350=50x

350/50=x

7=x



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