Expand (2a + 7) whole square !
Answers
Answered by
1
Answer:
4a^2+28a+49
Step-by-step explanation:
(2a+7)(2a+7)
(2a)^2+2(2a)7+(7)^2
4a^2+28a+49
Answered by
2
Step-by-step explanation:
this is the answer hope it helps please make my answer as brainlist and have a great day
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