08-09-2018
Mathematics

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PLEASE HELP ASAP!!! CORRECT ANSWER ONLY PLEASE!!!

What are the roots of the polynomial equation?

0 = x2 + 18x + 45

Select EACH correct answer.

A. −15
B. −3
C. 3
D. 15

PLEASE HELP ASAP CORRECT ANSWER ONLY PLEASE What are the roots of the polynomial equation 0 x2 18x 45 Select EACH correct answer A 15B 3C 3D 15 class=

Respuesta :

08-09-2018

[tex]x^2+18x+45=0\\\\x^2+3x+15x+45=0\\\\x(x+3)+15(x+3)=0\\\\(x+3)(x+15)=0\iff x+3=0\ \vee\ x+15=0\\\\\boxed{x=-3\ \vee\ x=-15}[/tex]

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syahidah syahidah

08-09-2018

the answer is A and B

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