kaurjazzmine6
kaurjazzmine6 kaurjazzmine6
  • 22-07-2020
  • Mathematics
contestada

a)expand and symplify (4x+3)(2x-5) they are together

b) x²+5x+6 factorise.​

Respuesta :

sierralinton1
sierralinton1 sierralinton1
  • 22-07-2020

Answer:

A) 8x^2 - 14x -15

B)(x + 2) (x + 3)

Step-by-step explanation:

A)

So first you would multiply the two together

8x^2 - 20x + 6x - 15

then simplify

8x^2 - 14x -15

B) so first you would take out how many times x^2 can be put in

(x + 2) (x + 3)

then you would just check to be sure

x^2 + 3x +2x +6

x^2 + 5x + 6

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