(Please help!) Solve the following system by substitution: Y=x^2+4x+6 Y= -x+2 Thank you!

asked Apr 28, 2018 2.8k views

3 votes

(Please help!) Solve the following system by substitution:

Y=x^2+4x+6
Y= -x+2
Thank you!

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5 votes

X is -4 and -1

hope this helps you(:

If not plz let me know(:

Beata answered Apr 29, 2018

by Beata

8.1k points

2 votes

-x+2=x^2+4x+6
x^2+5x+4=0
(x+4)(x+1)=0
X= -4 and -1

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