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Answered

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I need some help on the quiz

I Need Some Help On The Quiz class=

Sagot :

EPSTER1idn

Answer:

C) -12

Step-by-step explanation:

[tex]2x^2+24x+40=0[/tex]

[tex]\frac{2x^2+24x+40}{2} =\frac{0}{2}[/tex]

[tex]x^2+12x+20=0[/tex]

[tex](x+10)(x+2)=0[/tex]

[tex]x=-10, x=-2[/tex]

[tex]-10+(-2)=-12[/tex]

Sum of solutions=-12

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