marschneider
marschneider marschneider
  • 09-12-2019
  • Mathematics
contestada

Which of the binomials below is a factor of this trinomial?
x2 + 2x-35

A. x+7
B. x+1
C. x-1
D. X-7

Respuesta :

jimrgrant1 jimrgrant1
  • 09-12-2019

Answer:

A

Step-by-step explanation:

Given

x² + 2x - 35

Consider the factors of the constant term (- 35) which sum to give the coefficient of the x- term (+ 2)

The factors are + 7 and - 5, since

7 × - 5 = - 35 and 7 - 5 = + 2, thus

x² + 2x - 35 = (x + 7)(x - 5) ← in factor form

With x + 7 as a factor → A

Answer Link
paolabajana15 paolabajana15
  • 13-01-2021

Answer: A. x+7

Step-by-step explanation:

Answer Link

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