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Liula [17]
3 years ago
5

Expand and simplify (x+5)(x-2)

Mathematics
2 answers:
neonofarm [45]3 years ago
6 0

Answer:

{x}^{2}  + 3x  - 10

Step-by-step explanation:

(x + 5)(x - 2)

utilise the Foil method to expand brackets:

F - mulply the first terms (x and x)

O - multiply the outside terms ( x and -2)

I - multiply the inside terms (5 and x)

L - multiply the last terms (5 and -2)

Then add them as following:

{x}^{2}   - 2x + 5x - 10

Then combine like terms:

{x}^{2}  + 3x - 10

spin [16.1K]3 years ago
5 0

Answer:

x^2 + 3x + 10.

Step-by-step explanation:

(x+5)(x-2)

= x(x - 2) + 5(x - 2)

= x^2 - 2x + 5x - 10

= x^2 + 3x + 10.

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