(2x+5)²- (2x-5)²
simplify
Answers
Answered by
1
Answer:
40 x is the answer
Step-by-step explanation:
simplify with the help of a plus b ka whole square
Attachments:
Answered by
0
Answer:
40x is the answer
Step-by-step explanation:
Let (2x) be 'a' and (5) be 'b' .
= ( a + b )² - ( a - b )²
= ( a² + 2ab + b² ) - ( a² - 2ab + b² )
= a² + 2ab + b² - a² + 2ab - b²
= 2ab + 2ab
= 4 ab
Putting the value, we get:
= 4 × 2x × 5
= 4 × 10x
= 40x
Similar questions