leighon
leighon leighon
  • 25-03-2021
  • Mathematics
contestada

Factorise, check by using multiplication a-7a+12​

Respuesta :

devishri1977
devishri1977 devishri1977
  • 26-03-2021

Answer:

Step-by-step explanation:

Sum = -7

Product = 12

Factors = (-3) ; (-4)   { (-3) * (-4) = 12  and (-3) + (-4) = -7}

a² - 7a + 12 = a² -3a    - 4a + (-3)(-4)

                 = a(a - 3) - 4(a - 3)

                 = (a - 3)(a - 4)

Answer Link

Otras preguntas

HELP ASAPPP 10 POINTS 8TH GRADE MATH
How did the new deal hope to stimulate industrial recovery​fbthrh
what is the mean of 12342634
The frequency of blue light is 6.67 x10¹4 Hz. How much energy does a photon of blue light carry? (h= 6.626 x 10-34 J-s; 1 eV = 1.60 x 10-1⁹ J) A.1.56 eV B.4.42
What are textiles? What is one example of a textile product that was produced in early Islamic civilization?
solve using the quadratic formula 5n² - 19 = 0
Quadrilateral EFGH has coordinates E(a, 2a), F(3a, a), G(2a, 0), and H(0, 0). Find the midpoint of HG
a school took £1548 selling tickets each ticket was sold for 8 how much were sold?
Fill in the blank with the right Japanese particle ?
Can someone please answer this, ill give you brainliest Would be very appreciated.