Question

6. (3 - x)(5 - x) please solve this question I thanks your answer first give me correct answer 7. (5- xy) (3+xy) please answer friend please​

Answer 1

(3 - x)(5 - x)

=(15 - 3x - 5x +x^2)

=15 - 8x +x^2

(5- xy) (3+xy)

=(15 +5xy - 3xy - x^2y^2)

=15 +2xy - x^2y^2

Hope it helps ☺️

Answer 2

Step-by-step explanation:

Q.6)

$(3 - x)(5 - x)$

$((3 \times 5) + ( - x \times 5) + ( - x \times 3) + ( - x \times - x))$

$(15 - 5x - 3x + {x}^{2} )$

$( {x}^{2} - 8x + 15)$

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Q.7)

$(5 - xy)(3 + xy)$

$((5 \times 3) + ( - xy \times 3) + (5 \times xy) + ( - xy \times xy)$

$(15 - 3xy + 5xy - {x }^{2} {y}^{2} )$

$- {x}^{2} {y}^{2} + 2xy + 15$

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