answer it argent fast
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Answered by
1
Answer:
1 a
2+-1=1
1b
6+-4=2
2a
1+0=1
2b
3+0=3
Answered by
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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