Practice
Factor using Difference of Two Squares.a) 25x2 −36y2
(5x +6y)(5x −6y)
(5x +6y)(5x −6y)
b) 16x2 −49y2
(4x +7y)(4x −7y)
(4x +7y)(4x −7y)
c) 4x2 −25y2
(2x +5y)(2x −5y)
(2x +5y)(2x −5y)
d) 4x2 −81y4
(2x +9y2)(2x −9y2)
(2x +9y2)(2x −9y2)
e) 49x2 −36y2
(7x +6y)(7x −6y)
(7x +6y)(7x −6y)
f) 9x2 −100y2
(3x +10y)(3x −10y)
(3x +10y)(3x −10y)
g) 16x12 −121y2
(4x6 +11y)(4x6 −11y)
(4x6 +11y)(4x6 −11y)
h) 36x12 −121y2
(6x6 +11y)(6x6 −11y)
(6x6 +11y)(6x6 −11y)
i) 9x2 −100y2
(3x +10y)(3x −10y)
(3x +10y)(3x −10y)
j) 25x2 −64y2
(5x +8y)(5x −8y)
(5x +8y)(5x −8y)