64 513
Assignments Done
99,3%
Successfully Done
In September 2018

Answer to Question #25161 in Algebra for Alina

Question #25161
if x^2 + y^2 =86 and xy = -16 find the value of (x-y)^2
Expert's answer
Let's transform required expression so that it can be represented in terms of known expressions:(x-y)^2=x^2-2*xy+y^2=(x^2+y^2) +(-2xy)=Now we can substitute given values to obtain the final result:=86+(-2)*(-16)=86+32=118

Need a fast expert's response?

Submit order

and get a quick answer at the best price

for any assignment or question with DETAILED EXPLANATIONS!

Comments

No comments. Be first!

Leave a comment

Ask Your question

Submit
Privacy policy Terms and Conditions