Math, asked by super87648, 1 year ago

answer it argent fast ​

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Answers

Answered by djokovic6
1

Answer:

1 a

2+-1=1

1b

6+-4=2

2a

1+0=1

2b

3+0=3

Answered by Anonymous
0

Step-by-step explanation:

(x+y)(3x+4y)

=3x^2+4y^2+7yx

if x=2,y=-1

3(2)^2+4(-1)^2+7(2)(-1)

12+4-14

16-14

2

if x=1,y=0

3(1)^2+4(0)^2+7(1)(0)

3+0+0

3

I hope it helps you

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