Find the products (a) (x + 7) (x + 9)
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4
✧ Solution ↓
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➠ (x + 7) (x + 9)
➠ x(x + 9) + 7(x + 9)
➠ x(x) + x(9) + 7(x) + 7(9)
➠ x² + 9x + 7x + 63
➠ x² + 16x + 63 (Ans)
Therefore, we get x² + 16x + 63 as our answer.
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Answered by
0
Answer: x² + 16x + 63
Step-by-step explanation:
(x + 7) (x + 9)
⇒ x(x+9) +7(x+9)
⇒ x² + 9x + 7x + 63
⇒ x² + 16x + 63
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