Question

Subtract 2xy + 9x? from 12xy + 4x2 – 3y2
Write the expressione
10xy-5x2-3y2​

Answer 1

Answer:

10xy-5x²-3y²

Step-by-step explanation:

12xy+4x

2

−3y

2

− (2xy+9x

2

)

⇒ 12xy+4x

2

−3y

2

− 2xy−9x

2

⇒ 12xy−2xy+4x

2

−9x

2

−3y

2

⇒ 10xy−5x

2

−3y

2