Question

Factor $100x^{2} - 81y^{2}$

With steps

Answer 1

Answer:

(10x - 9y)(10x + 9y)

Step-by-step explanation:

100x² - 81y² ← is a difference of squares and factors in general as

a² - b² = (a - b)(a + b)

100x² - 81y²

= (10x)² - (9y)²

= (10x - 9y)(10x + 9y)

Answer 2

Answer:

Step-by-step explanation: