Which will result in a perfect square trinomial (3x-5) (-3x-5)
Answers
Answered by
7
Answer:
- [( 3x )² - 5²] [ perfect square binomial ]
or
5² - ( 3x )²
Step-by-step explanation:
( 3x - 5 )( -3x - 5 )
= ( 3x - 5 )[ -( 3x + 5 ) ]
= -[ ( 3x - 5 )( 3x + 5 ) ]
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We know the algebraic identity :
( a + b )(a - b ) = a² - b²
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= - [ ( 3x )² - 5² ]
= 5² - ( 3x )²
.......
Answered by
1
Answer:
A
Step-by-step explanation:
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