aoiife1 aoiife1
  • 01-05-2020
  • Mathematics
contestada

factorise
a) x + 3x - 4

Respuesta :

ab165
ab165 ab165
  • 01-05-2020
the answer to this equation is 4(x-1)
Answer Link
kellym5716 kellym5716
  • 01-05-2020

Answer:

(x-1)(x+4)

Step-by-step explanation:

I’m guessing you meant x^2+3x-4.

The easiest part is knowing that:

(x-_)(x+_)

You have to look for numbers that multiply to -4 and add up to 3. Therefore, it would be -1 and 4:

(x-1)(x+4)

Answer Link

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