Question

(x-9) (x+10), solve using identities​

Answer 1

Answer:

x=9

x=-10

hope you have understand follow me for further help

Answer 2

formula

(a+b)=a^2-2ab+b^2

(a-b)=a^2+2ab+b^2

Step-by-step explanation:

first solve this

(x-9)

=x^2-2ab+b^2

=x^2-2(x)(9)+9^2

=x^2-18x+81[eq1]

then solve

(x+10)

=x^2+2ab+b^2

=x^2+2(x)(10)+10^2

Z=x^2+20x+100[eq2]

now solve eq1 &eq2

=x^2-18x+81+x^2+20x+100

=x^4+38x+181

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