Question

5x2 + 7x + 3; 12x2 – 3x + 8; 6x2 - 4x +9​

Answer 1

Answer:

7x+13

x=13/7 ans

32-3x

x=32/3

21-4x

21/4=x

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Answer 2

Answer:

${4x}^{2} + {x}^{2} + 5x + 4x + 6 + 1 + 3 + {5x}^{2} \\ = {5x}^{2} + 9x + 10 + {5}^{2} \\ = {5x}^{2} + {5x}^{2} + 9x + 10 \\ \\ {4x}^{2} + 5x + 6 \\ {x}^{2} + {}0x + 1 \\ {5}^{2} +4x + 3 \\ = {5x}^{2} + {5x}^{2} + 9x + 10$

Step-by-step explanation:

correct answers