Question

(5x²+3)(2x²+5),Expand the given equation.

Answer 1

BONJOUR,
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$(5x {}^{2} + 3)(2x {}^{2} + 5) \\ \\ 2x {}^{2} (5x {}^{2} + 3) + 5(5x {}^{2} + 3) \\ 10x {}^{4} + 6x {}^{2} + 25x {}^{2} + 15 \\ 10x {}^{4} + 31x {}^{2} + 15$

Answer 2

Heya!!

(5x^2+3)(2x^2+5)

=>5x^2(2x^2+5)+3(2x^2+5)

=>10x^4+25x^2+6x^2+15

=>10x^4+31x^2+15

Hope it helps✌️✌️