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almond37 [142]
3 years ago
7

Expand and simplify (x + 5)(x + 4)​

Mathematics
2 answers:
Nina [5.8K]3 years ago
7 0

Answer:

(x+5)⋅(x+4)= x2+9x+20

Step-by-step explanation:

(x+5)(x+4)

=x

2

+4x+5x+20=

=x

2

+9x+20

blondinia [14]3 years ago
5 0

Step-by-step explanation:

(x+5)(x+4)

x(x+4)+5(x+4)

x(x+4)+5(x+4)

x2 +4x+5(x+4)

x2+4x+5(x+4)

x2+4x+5x+20

x2+4x+5x+20

x2+9x+20

solution

x2+9x+20

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