if A=4x²+y²-6xy,B=3y²+12X²+8xy2a+B=
Answers
Answered by
1
Answer:20x^2+5y^2-4xy
Step-by-step explanation:
2A=2*(4x^2+y^2-6xy)
=8x^2+2y^2-12xy
2A+B=(8x^2+2y^2-12xy)+(3y^2+12x^2+8xy)
=20x^2+5y^2-4xy
Similar questions