Math, asked by skstech3514, 6 months ago

(X-3)(x+2)+(x-3)(2x+z)-(x-3)(5-z)

Answers

Answered by vipashyana1

0

Answer:

(x-3)(x+2)+(x-3)(2x+z)-(x-3)(5-z)

=x(x+2)-3(x+2)+x(2x+z)-3(2x+z)-x(5-z)-3(5-z)

=x²+2x-3x-6+2x²+xz-6x-3z-5x+xz-15+3z

=x²+2x²+2x-3x-6x-5x-3z+3z+xz+xz-6-15

=3x²-14x+2xz-21

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