3 years ago

(a+7)2 please expand it

Mathematics

2 answers:

labwork [276]3 years ago

8 0

I think it actually means (a+7)(a+7) so it would be: a^2 + 14a + 49

sergiy2304 [10]3 years ago

3 0

Answer:

expand (a + 7) * 2: 2a + 14

Step-by-step explanation:

(a + 7) * 2

= 2 ( a + 7)

apply the distributive law: a(b + c) = ab + ac

a = 2, b = a, c = 7

= 2a + 2 * 7

multiply the numbers: 2 * 7 = 14

= 2a + 14

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