Question

pls help me to find answer

Answer 1

1)x^2-x-(2k+2)=0
x=-4
(-4)^2+4-(2k+2)=0
16+4-2k-2=0
18=2k
k=9
2)x^2-2x-(7p+3)=0
x=-4
(-4)^2-2(-4)-(7p+3)=0
16+8-7p-3=0
21=7p
p=3
3)ax^2-3(a-1)x=0
x=1
a-(3(a-1))=0
-2a+3=0
a=3/2

Answer 2

1)k=9
2)p=3
3)a=3/2

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