4(a - 1)2 - 4(a - 1) - 3
Answers
Answered by
0
Answer:
4(a-1)²-4(a-1)-3
4(a-1)²-6(a-1)+2(a-1)-3
[2(a-1)][2(a-1)-3]+1[2(a-1)-3)]
[2(a-1)+1][2(a-1)-3]
2(a-1)+1=0
2(a-1)=(-1)
a-1=(-1/2)
a=(-1/2)+1
a=(-1+2)/2
a=1/2
Answered by
0
Answer:
4a-7
Step-by-step explanation:
4(a - 1)2 - 4(a - 1) - 3
=8(a-1)-4(a-1)-3
=4(a-1)-3
=4a-4-3
+4a-7
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