SOLUTION: If (A - B= 17.5) and (A+B=10) what is the value of (A^2-B^2)

Algebra.Com
Question 875206: If (A - B= 17.5) and (A+B=10) what is the value of (A^2-B^2)

Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!
A - B = 17.5
A + B = 10
2A = 27.5
A = 13.75, B = -3.75
(A^2-B^2) = (13.75)^2 + (-3.75)^2

RELATED QUESTIONS

If a^2-b^=5 and a^3+b^3=35 then what is the value of a and... (answered by Fombitz)
Find the exact value of sin(a-B) if sin a=(5/13) and sin B=(8/17) and a and B are between (answered by stanbon)
If a^2-b^2=70 and a-b=7, what is the value of... (answered by richard1234,haileytucki,mananth,josmiceli)
a=(a+b)h/2 if a=300,h=5,and b=30, what is the value of... (answered by checkley77)
If a*b means 2a^2-b and a#b means a/2-2b, what is the value of a*(a#b) if a=4 and b=1? (answered by Fombitz)
If a#b=a/b+b/a what is the value of... (answered by jim_thompson5910)
if a+b=5 and a-b=-7 What is the value of a and... (answered by fractalier)
a=b+3(4-c) if b equals 5 and c equals 2, what is the value of... (answered by fractalier)