Question

expand : (3x + 5y) ²
give me answer fast​

Answer 1

Step-by-step explanation:

(3x−5y)

2

=(3x−5y)(3x−5y)

=(3x)

2

−2.3x.5y+(5y)

2

=9x

2

−30xy+25y

2

∴(3x−5y)

2

=9x

2

−30xy+25y

2

Answer 2

Answer:

${(3x + 5y)}^{2} \\ = {9x}^{2} + {25y}^{2} - 30xy$

here's the answer