(X by 5 minus 3 y )square
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Answered by
6
We know that, (a - b)² = a² + b² - 2ab
Here
By substituting the values in the identity we have,
(a - b)² = a² + b² - 2ab
What is an identity ?
An equation is called an identity if it is satisfied by any value that replaces its variables.
What is an equation ?
An open sentence which contains '=' sign is called an equation .
What is an open sentence ?
A sentence for which we cannot decide whether it is true or false.
1] (a + b)² = a² + b² + 2ab
2] (a - b)² = a² + b² - 2ab
3] (a + b)(a - b) = a² - b²
4] (x + a)(x + b) = x² + (a + b)x + ab
AbhijithPrakash:
Great Answer!!
Answered by
0
Answer:
x×x/25+9y×9y-6xy/5
explanation:
(x/5-3y) square
=x×x/25+9y×9y-6xy/5
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