Question

is (5+a)^2 = 5^2 + a^2

pls answer totally confused​

Answer 1

Step-by-step explanation:

no

(5+a)²=25+10a+a²

but in 25+a² there are no 10a

Answer 2

Answer:

${(5 + a)}^{2} = {5}^{2} + {a}^{2} \\ \\ = > {5}^{2} + 2 \times 5 \times a + {a}^{2} = 25 + {a}^{2} \\ \\ = > 25 + 10a + {a}^{2} = 25 + {a}^{2} \\ \\ = > 25 + 10a + {a}^{2} - {a}^{2} = 25 \\ \\ = > 25 + 10a = 25 \\ \\ = > 10a = 25 - 25 \\ \\ = > 10a = 0 \\ \\ = > a = \frac{0}{10} \\ \\ = > a = 0 \\ \\ formula \: used \\ \\ ( {a + b})^{2} \\ \\ = {a}^{2} + 2ab + {b}^{2}$

hope this much helps uh ❣️