Question

Factors of √5 x² + 4x- √5 are

(a) (x-√5) (√5x+1)

(b) (x+√5) (√5x-1)

(c) (x-√5) (√5x-1)

(d) (x+√5) (√5x+1)​

Answer 1

Answer:

Step-by-step explanation:

first multiply first and last term

we get,

Now, find numbers such that the product is -5x^2 & sum is the middle term of the given quadratic equation .

THE NUMBERS ARE

5x & -x

Now.

dealing with the quadratic equation

The term 4x can also be written as

5x-x

so,we get,

x+√5 or √5x-1

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