What are the solutions to x2 + 8x + 7 = 0?

O

O

O

O

x=-8 and x = - 7

x=-7 and x=-1

x = 1 and x = 7

x = 7 and x = 8

Question

Mathematics

Lewis Aguirre

2 January, 10:23

What are the solutions to x2 + 8x + 7 = 0?

O

O

O

O

x=-8 and x = - 7

x=-7 and x=-1

x = 1 and x = 7

x = 7 and x = 8

+4

Answers (1)

Know the Answer?

Edsel · Answer 1

x = - 1 and x = - 7

Step-by-step explanation:

Given

x² + 8x + 7 = 0 ← in standard form

(x + 1) (x + 7) = 0 ← in factored form

Equate each factor to zero and solve for x

x + 1 = 0 ⇒ x = - 1

x + 7 = 0 ⇒ x = - 7

What are the solutions to x2 + 8x + 7 = 0?OOOOx=-8 and x = - 7x=-7 and x=-1x = 1 and x = 7x = 7 and x = 8

What are the solutions to x2 + 8x + 7 = 0?

O

O

O

O

x=-8 and x = - 7

x=-7 and x=-1

x = 1 and x = 7

x = 7 and x = 8