[tex]49 \times ^{2} - 25y {}^{2} [/tex]


Sagot :

SOLUTION

[tex]49x^{2} - 25 {y}^{2} [/tex]

[tex] {a}^{2} - {b}^{2} = (a + b)(a - b)[/tex]

where a= 7x and b= 5y

[tex](7 x + 5y)(7x - 5y)[/tex]

ANSWER

[tex](7 x + 5y)(7x - 5y)[/tex]

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