Question

What are the factors of the trinomial?

(x + 1) and (x – 4)
(x + 4) and (x – 1)
(x + 5) and (x – 4)
(x + 4) and (x – 5)

Answer 1

The factors of the trinomial to the given quadratic expression are (x+1) and (x-4)

Factoring quadratic equation

Given the quadratic equation below

f(x) = x^2 - 3x - 4

Factorize

f(x) = x^2 - 4x + x - 4 = 0
f(x) = x(x - 4) + 1(x - 4) = 0
(x+1)(x-4) = 0

Hence the factors of the trinomial to the given quadratic expression are (x+1) and (x-4)

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