Which is equivalent to the following expression? (2x^2+4xy-y^2)+(x^2+3xy-y^2) a. 3x^2-7xy-2y^2 b. 3x^2+7xy+2y^2 c. 3x^2+7xy-2y^2 d. 3x^2-7xy+2y^2

annswer:

−

80

Explanation:

2

(

2

)

2

+

[

3

(

2

)

(

−

4

)

]

−

4

(

−

4

)

2

2

(

4

)

+

[

−

24

]

−

4

(

16

)

8

−

24

−

64

=

8

−

88

=

−

80

Related questions

My options are different,

A. 3x2-7xy-2y2

B. 3x4+7xy-2y4

C. 3x2+7xy-2y2

D. 2x2-7xy+2y2

i think the answer is seven, for if i'm being useless °ω°

step-by-step explanation: