factorise a^2+14a+49
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Answered by
7
a2 +14a + 49
a 2 +7a+7a+49
a(a + 7) + 7(a + 7)a(a+7)+7(a+7)
(a + 7) \times (a + 7)(a+7)×(a+7)
= {(a + 7)}^{2}=(a+7)
2
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Answered by
2
Answer:
(a+7)²
Step-by-step explanation:
a²+14a+49 cn be written as
a²+2(7)(a)+7²
this is in the form of (a+b)²
a=a,b=7
=(a+7)²
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