Question

using indenties find - (x+3 ) (x+3)
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Answer 1

Answer:

Step-by-step explanation:

(x + 3)( x + 3)

(x + 3)^2

Using (a + b)^2 = a^2 + b^2 + 2Ab

(x)^2 + (3)^2 + 2(x)(3)

x^2 + 9 + 6x

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Answer 2

Answer:

-x^2-9-18x

Step-by-step explanation:

leave minus aside

(x+3)(x+3)

a+b whole square formula

a^2+b^2+2ab

x^2+9+18x

now multiply by minus

then ans becomes

-x^2-9-18x