Question

6. (3 - x) (5 - x)
solve this question and please tell the solution and this question is from algerabic identities .
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Answer 1

( 3 – x ) ( 5 – x )

{Using ( a – x ) ( b – x ) = x² – (a + b) x + ab }

= x² – ( 3 + 5 )x + 3 × 5

= x² – 8x + 15

Answer 2

Answer:

(3-x) (5-x)

3×5+3(-x)+(-x)(5)+(-x)(-x)

15-3x-5x+x^2

x^2-8x+15