Gabby4903
contestada

Which of the following is the sum of both solutions of the equation [tex]x^{2} +x-42=0[/tex]?
A) 13 B) 1 C) -13 D) -1

Respuesta :

Answer: [tex]x=6[/tex] or [tex]x=-7[/tex]

Step-by-step explanation:

Step 1: Factor left side of equation: [tex](x-6)(x+7)=0[/tex]

Step 2: Set factors equal to 0: [tex]x-6=0[/tex] or [tex]x+7=0[/tex]

Get your answer: [tex]x=6[/tex] or [tex]x=-7[/tex]