3 years ago

Complete the equation: x^2-14x + = ()^2

Mathematics

1 answer:

slamgirl [31]3 years ago

5 0

Answer:

C. 49, x-7

Step-by-step explanation:

(A+B)^2 = A^2 + 2AB + B^2

-14x = 2*A*B

where A=x

Therefore B=-7

and (x-7)^2=x^2-14x+49

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