Seudónimo Seudónimo

25-11-2018
Mathematics

contestada

Please help!!!!!!
Factorize x² – 8x + 15
Also provide explanation and correct working!!
Will give Brainliest!!

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

25-11-2018

x² – 8x + 15

(x-3) (x-5)

what two numbers multiply to 15 and add to -8

I list all the factor of 15 that are negative and see if they add to -8

-1 * -15 = 15 -1 + -15 = -16 no

-3 * -5 = 15 -3 + -5 = -8 works

Answer Link

Otras preguntas

what is the difference between dividing 16 by 2 and finding the square root of 16

what is 4 over 9 minus 1 over 12 equal simplified?

what is the difference between dividing 16 by 2 and finding the square root of 16

what events happened beforeloyalists left boston and philadelphia?

what events happened beforeloyalists left boston and philadelphia?

If4 times the reciprocal of a number is 3 more than 5/2 times the reciprocal of that number find the number Show your work

The equation s x  2 5 can be used to estimate the speed, s, of a car in miles per hour, given the length in feet, x, of the tire marks it leaves on the ground.

If4 times the reciprocal of a number is 3 more than 5/2 times the reciprocal of that number find the number Show your work

what is the difference between dividing 16 by 2 and finding the square root of 16

The equation s x  2 5 can be used to estimate the speed, s, of a car in miles per hour, given the length in feet, x, of the tire marks it leaves on the ground.