1.

Q-1 Adda. 6a² - 7a - 9 and 9a² + 10a + 5 .b. 5x³ - 4x² + 3 and 3x³ + 7x² - 9 .​

Answer» ONG>ANSWER:

a. 15a^2+3a-4

b. 8x^2+3x^2-6



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