Question

3. Solve the following problems:

a) Simplify: [(3/2)x^2 + (2/5)y^2]× [3x^2 – 4y^2]

​

Answer 1

Answerer:

Step-by-step explanation:(3/2x^2+2/5y^2)(3x^2-4y^2)

3/2x^2(3x^2-4y^2)+2/5y^2(3x^2-4y^2)

9/2x^4-6x^2y^2+6/5x^2y^2-8/5y^4

9/2x^4+(-30+6/5x^2y^2)-8/5y^4

9/2 x^4-22/5x^2y^2-8/5y^4