Question

Find the product (7xy + 4y^2)(3y^2 +8x^2) and
verify the result for x = 1 and y= 2.​

Answer 1

Answer:

21xy^3+56x^3y+12y^4+32x^2y^2

Step-by-step explanation:

• 7xy(3y^2+8x^2)+4y^2(3y^2+8x^2)
• 21xy^3+56x^3y+12y^4+32x^2y^2

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