simplify your answer
(2x+y+3)²-(x-y+1)²
Home
/
simplify your answer(2x+y+3)²-(x-y+1)²
Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
14
when I will grow up I will save Pakistan and destroy India
a strong army grape
Answer:
(x-1)²+(y-3)²=10 and x²+(y-1)²=5
Step-by-step explanation:\begin{cases} (x-1)^2+(y-3)^2=10 \\ x^2+(y-1)^2=5 \end{cases}{
(x−1)
2
+(y−3)
2
=10
x
2
+(y−1)
2
=5
\begin{cases} x^2-2x+1+y^2-6y+9=10 \\ x^2+y^2-2y+1=5 \end{cases}{
x
2
−2x+1+y
2
−6y+9=10
x
2
+y
2
−2y+1=5
\begin{cases} x^2+y^2=2x+6y \\ x^2+y^2-2y=4 \end{cases}{
x
2
+y
2
=2x+6y
x
2
+y
2
−2y=4
\begin{cases} x^2+y^2=2x+6y \\ 2x+6y-2y=4 \end{cases}{
x
2
+y
2
=2x+6y
2x+6y−2y=4
\begin{cases} x^2+y^2=2x+6y \\ x=2-2y \end{cases}{
x
2
+y
2
=2x+6y
x=2−2y
\begin{cases} (2-2y )^2+y^2=2(2-2y )+6y \\ x=2-2y \end{cases}{
(2−2y)
2
+y
2
=2(2−2y)+6y
x=2−2y
\begin{cases} 4-8y+4y^2+y^2=4-4y+6y \\ x=2-2y \end{cases}{
4−8y+4y
2
+y
2
=4−4y+6y
x=2−2y
\begin{cases} 5y^2-10y=0 \\ x=2-2y \end{cases}{
5y
2
−10y=0
x=2−2y make me brailiest