Question

b.
c. (19x2 + 9x + 16) - (5x2 + 12x + 7)
d. (-9x2 - 4x - 4)-(-9x2 - 11x + 12)
From 1972 + 11x + 15 subtract - 5x2​

Answer 1

Answer:

19x²+9x+16-5x²-12x-7

➡️ 19x²-5x²+9x-12x+16-7

➡️ (19-5)x²+(9-12)x+(16-7)

➡️ 14x²-3x + 9

-9x²-4x-4+9x²+11x-12

➡️ -9x²+9x²-4x+11x-4-12

➡️ 0x²+7x-16

Answer 2

Answer:

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