Question

using evaluate identities : (x+5)²​

Answer 1

QUESTION:

using evaluate identities : (x+5)².

ANSWER :

We use the identity here

$({x + y})^{2}$

the expansion of the identity is

${x}^{2} + {y}^{2} + 2xy$

NOW COME TO YOUR QUESTION:

$( {x + 5})^{2}$

${x}^{2} + {(5)}^{2} + 2 \times x \times 5$

${x}^{2} + 25 + 10x$

FINAL ANSWER :

${x}^{2} + 10x + 25$

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