Question

$(5 {x}^{3} + 2y {)}^{2}$
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Answer 1

(5x³ + 2y)²

(5x³ + 2y) • (5x³ + 2y)

25x^6 + 10x³y + 10x³y + 4y²

25x^6 + 20x³y + 4y²