What must be added to 4c∧2 − 12c + 5 so that the expression becomes a perfect square.
Answers
Answered by
1
4
.
Step-by-step explanation:
2
+12x+5
=4[x
2
+3x+(
4
5
)]
=4[(x+(
2
3
)
2
−(
2
3
)
2
+(
4
5
))]
=4[(x+(
2
3
)
2
−(
4
4
))]
=4(x+(
2
3
)
2
−4)
hence4mustbeadded
tomakeitperfectsquare
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