solve this algebraic equation :
(21x + 13y)2
Answers
Answered by
3
Answer :
441x² + 546xy + 169y²
Steps :
Equation = (21x + 13y)²
=> We know that (a+b)² = a² + 2ab + b²
Using the formula in the equation,
= (21x)² + 2×(21x)×(13y) + (13y)²
= 441x² + 546xy + 169y²
Answered by
0
Answer:
42x square + 26y 2
Step-by-step explanation:
Similar questions