Find x if angle b is 90 degrees
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Answer:sry
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Answer:
x=-15
Step-by-step explanation:
gn b=90°
by pythagoras theorem
x^2+4+4x=25+(x^2+9+6x) ( [a-b]^2 & [a+b]^2 formula)
=x^2-x^2+4-9+4x-6x=25
=-5-2x=25
-2x=25+5
x=30/-2
x=-15
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