Question

Multiply the following binomials: (a) (2a²-5b²)and (a²+3b²)

Answer 1

Answer:

$2a ^{2} - 1ab ^{2} + 15b ^{2}$

Step-by-step explanation:

$2a ^{2} -(a ^{2} + 6ab ^{2} - 5ab ^{2} + 15b ^{2} )$

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Answer 2

Answer:

so ans is

Step-by-step explanation:

2a²×a²+ 2a²×3b² × 5b²× a² + 5b² × 3b²

2a⁴+ 6a²b² × 5a²b² + 15b⁴

2a⁴+15b⁴ × 6a²b² + 5a²b²

17b⁴ + 11a²b²