Math, asked by r2itiThailmathikavi, 1 year ago

(2x+1+2)²-(x-1+2)²
Thanks in advance

Answers

Answered by sivaprasath

1

(2x+1+2)^2-(x-1+2)^2
=(2x+3)^2-(x+1)^2
=(4x^2+12x+9)-(x^2+2x+1)
=4x^2-x^2+12x-2x+9-1
=3x^2+10x+8

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