3 years ago

10. Expand and Simplify (r+3) (r+11)=

Mathematics

1 answer:

mihalych1998 [28]3 years ago

6 0

Answer:

r^2 + 14r + 33

Step-by-step explanation:

Apply the "FOIL" method for multiplying two binomials:

(r+3) (r+11) = r^2 (first terms) +

+ 33 (last terms) +

+ 11r (outer terms) +

+ 3r (inner terms)

Combining ilke terms, we get:

r^2 + 14r + 33

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