SOLUTION: if a squared minus b squared is equal to 8 and a minus b is equal to 2 ,find the value of (a+b)squared
Algebra.Com
Question 982254: if a squared minus b squared is equal to 8 and a minus b is equal to 2 ,find the value of (a+b)squared
Answer by rothauserc(4718) (Show Source): You can put this solution on YOUR website!
(a^2 - b^2) = 8
factor polynomial
(a+b) * (a - b) = 8
we know (a - b) = 2, therefore
(a + b) * 2 = 8
divide both sides of = by 2
(a + b) = 4
and
(a + b)^2 = 16
RELATED QUESTIONS
Show (a+b)*squared* is not equal to a*squared* + b*squared*... (answered by Alan3354)
if a squared + b squared=11 and ab=3 find the value of... (answered by psbhowmick)
hello can you please help me solve this question
it says substitute a= -2 and b= -1 to (answered by elima)
What is the answer to negative B plus a minus of square root of B squared square- 4AC... (answered by josmiceli)
If a and b are positive consecutive odd integers where b > a, which of the following is... (answered by Fombitz)
What is the simplfied form of or the answer to:
{{{(a^3b^2-a^2b+2a)(-ab)^-1}}}
(a cubed (answered by JBarnum)
If a =3 and b=-1 what is the value of (a-b)squared ie to the power of... (answered by knighty2002uk)
in an ellipse why does c squared = a squared minus b... (answered by Edwin McCravy)
My problem is solving each equation using the quadratic fromula, I know... (answered by mananth)