Question

Q.12 Add 3x2 + 7x + 7 and 9, 2x + 5​

Answer 1

Answer:

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$3 {x}^{2} + 7x + 7 + (9 + 2x + 5) \\ \\ = 3 {x}^{2} + 7x + 7 + 9 + 2x + 5 \\ \\ = 3 {x}^{2} + 9x + 16 + 5 \\ \\ = 3 {x}^{2} + 9x + 21 \\ \\ = 3( {x}^{2} + 3x + 7) \\ \\ = {x}^{2} + 3x + 7$

hope this much helps uh ❣