3 Y squared minus 20 equal to 160 - 2 y square
Answers
Answered by
1
Answer:
y=+or- 6
Step-by-step explanation:
3y^2-20=160-2y^2
5y^2=160+20
y^2=180/5
y^2=36
y=6 or -6
Answered by
1
Answer:
3y^2+2y^2=160+20=
5y^2= 180=
y^2= 36
y=+6,-6
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