Answer:
8x³+ 125y³ + 20xy
Step-by-step explanation:
Solving by identity (a+b)³= (a+b)(a+b)²
(2x+5y)(2x+5y)²
(2x+5y) x 2x² + 5y² + 20xy
2x + 5y x 4x² + 25y² + 20xy
8x³ + 125y³ + 20xy
lAdd
5
y
to both sides of the equation.
2
x
=
3
+
Divide each term by
and simplify.
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Verified answer
Answer:
8x³+ 125y³ + 20xy
Step-by-step explanation:
Solving by identity (a+b)³= (a+b)(a+b)²
(2x+5y)(2x+5y)²
(2x+5y) x 2x² + 5y² + 20xy
2x + 5y x 4x² + 25y² + 20xy
8x³ + 125y³ + 20xy
lAdd
5
y
to both sides of the equation.
2
x
=
3
+
5
y
Divide each term by
2
and simplify.