Robelitodaprosa72viz
Answered

the factored form if x²-14x+49 is
a. (x-7)(x+7)
b. (x²+7)²
c. (x-7)(x-7)
d. (x+7)(x+7)​

Sagot :

Joy13459viz

The answer is letter c

Solution:

[tex]x { }^{2} - 14 \times x \times 7 + 49 \\ \: \: \: \: = x { -}^{2} \times x \times 7 + 49 \\ \: \: \: \: \: \: \: \ = x { }^{2} - 2 \times x \times 7 + 7 {}^{2} \\ = ( x - 7)(x - 7)[/tex]