Question

using the identify factorise the following a^2+2ab+b^2=(a+b)^2
(i) 9x^2+30x+25​

Answer 1

eh sum aonda hai mujhe but a.number vala apne joh sum pusha hai vo samaj nahi aa rha kya pusha hai.

Answer 2

Notice that both 9x2=(3x)2 and 25=52 are perfect squares, so the only question is whether the middle term matches when you square (3x−5) , the minus sign being chosen to at result in a negative coefficient for the middle term