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प्रश्न
Multiply: x + 4 by x − 5
उत्तर
(x + 4)( x − 5) = x( x − 5) + 4(x − 5)
= x2 − 5x + 4x − 20
= x2 − x − 20
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संबंधित प्रश्न
Find the product of the following pair of monomial.
− 4p, 7p
Complete the table of products.
|
First monomial→ |
2x |
–5y |
3x2 |
–4xy |
7x2y |
–9x2y2 |
|
Second monomial ↓ |
||||||
| 2x | 4x2 | ... | ... | ... | ... | ... |
| –5y | ... | ... | –15x2y | ... | ... | ... |
| 3x2 | ... | ... | ... | ... | ... | ... |
| – 4xy | ... | ... | ... | ... | ... | ... |
| 7x2y | ... | ... | ... | ... | ... | ... |
| –9x2y2 | ... | ... | ... | ... | ... | ... |
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x2y2z2, (xy – yz + zx)
