Question

Q.3 Expansion formula. Expand
1.(p+5)(p+2)
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Answer 1

Answer:

p^2+7p+10

Step-by-step explanation:

(x+a)(x+b)=x^2+(a+b)x+ab

(p+5)(p+2)=p^2+(5+2)p+5×2

=p^2+7p+10