Question

What could be added to X^2+ 14X -10 to make it a perfect square?

Answer 1

Answer:

49

Step-by-step explanation:

The value of c such that: x2 + 14x + c, is a perfect-square trinomial is 49

Answer 2

Answer:

x

2

−

14

x

To find the

c

value

c

=

(

b

2

)

2

, divide the coefficient of

x

by

2

and square the result.

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49

Add

49

to get the perfect square trinomial.

x

2

−

14

x

+

49