Scholarship Exam Preparation App
Class 7 - (Math )
Algebra - Use of letters for numbers, factors of algebraic expressions. Value of the polynomial and operations on them
Factorize of x²-25
a :
(x-5) (x+5)
b :
(x-25)(x+25)
c :
(x-5)²
d :
(x+5)²
Explanation :
x² - 25 = x² - 5² = (x - 5)(x + 5)