Question

1)c²d²-9,2)a²b²-16,3)4a²-9b²,4)16x²-25y²
1)36x²y²-1, 2)x²y⁴-16, 3)81a⁶-49b⁴,4)25a²-9b⁶




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Answer 1

Ответ:

1)(cd-3) (cd+3) 2)(ab-4)(ab+4) 3)(2a-3b)(2a+3b) 4)(4x-5y)(4x+5y)

1)(6xy-1)(6xy+1)

$2)(xy {}^{2} - 4)(x {y}^{2} + 4)$

$3)(9 {a}^{3} - 7 {b}^{2} )(9 {a}^{3} + 7 {b}^{2} )$

$4)(5a - 3 {b}^{3} )(5a + 3 {b}^{3)}$