Find the square of : (3x-5)
Answers
Answered by
7
Answer:
( 3x-5 ) ²
= (3x)² + (5)² -2 × 3x × 5
= 9x² + 25 - 30x
Step-by-step explanation:
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Answered by
1
Answer:
9x^2 + 25 + 30x
Step-by-step explanation:
(a+b)^2=a^2+b^2+2ab
(3x-5)^2= (3x)^2 + 5^2 +2*3x*5
=9x^2 + 25 + 30x
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