Math, asked by Anonymous, 5 months ago

Q1. (x + y − z) × (2x − 3y + 3)
Q2. a(ab + bc + ac) + b (ab + bc + ac) + c (ab + bc + ac) (simplify)

Answers

Answered by prmaurya1984
1

Q. 1)

x+y−z)(2x−3y+3)

=(x+y+−z)(2x+−3y+3)

=(x)(2x)+(x)(−3y)+(x)(3)+(y)(2x)+(y)(−3y)+(y)(3)+(−z)(2x)+(−z)(−3y)+(−z)(3)

=2x2−3xy+3x+2xy−3y2+3y−2xz+3yz−3z

=2x²−xy−2xz−3y²+3yz+3x+3y−3z

Q. 2.)

=a²b+a²c+ab²+3abc+ac²+b²c+bc²

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