Question

please answer me it was so important for me​

Answer 1

Step-by-step explanation:

a). [(3/2)x²+(2/5)y²] * [3x²-4y²]

(9/2)x⁴-6x²y²+(6/5)x²y²- (8/5)y⁴

(9/2)x⁴-(30/5)x²y²+ (6/5)x²y²- (8/5)y⁴

(9/2)x⁴-(24/5)x²y²-(8/5)y⁴

Hope it helps mark it is as brainlist