maths multipication doubt
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(2x² + 3y²) (5x² - y²)
=>2x²(5x²) - 2x²(y²) + 3y²(5x²) - 3y²(y²)
=> 10x⁴ +15x²y² -2x²y² -3y⁴
=> 10x⁴ +13x²y² -3y⁴
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Answer:
7x2+2y2
The 2 is square
Step-by-step explanation:
(2x2+5x2) (3y2-y2)
=7x2+2y2
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