dalesydney113 dalesydney113

30-03-2017
Mathematics

contestada

What number should be added to the expression x2 + 10x to change it into a perfect square trinomial?
A 5
B 10
C 25
D 100

Respuesta :

30-03-2017

C: 25 should be added;
the expression would become x^2 + 10x + 25, which can be factorised to (x + 5)^2

Answer Link

kcandlaura96 kcandlaura96

13-03-2020

Answer:

you should add 25

Step-by-step explanation:

Answer Link

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