Q1) $2w$ x $2z$ = [ $4wz$]

Q1) $10x + 5y+5x+6y$ = [ $15x +11y$]

Q1) $20z + 8y+5z-3y$ = [ $25z+5y$]

Q2) $6x +9x$= [ $15x$]

Q2) $10x + 5z+10x+4z$ = [ $20x +9z$]

Q2) $7z + 3y+7z+10y$ = [ $14z+13y$]

Q3) $9w$ x $10z$ = [ $90wz$]

Q3) $7y + 3w+10y+8w$ = [ $17y +11w$]

Q3) $13y^2 + 19y-6y^2-9y$ = [ $7y^2+10y$]

Q4) $2y$ x $10z$ = [ $20yz$]

Q4) $8x + 2w+6x-10w$ = [ $14x -8w$]

Q4) $2ab + 7y-8ab+10y$ = [ $-6ab+17y$]

Q5) $8x +6x$= [ $14x$]

Q5) $2y + 3w+4y+8w$ = [ $6y +11w$]

Q5) $2xy^2 + 15y-4xy^2-9y$ = [ $-2xy^2+6y$]

Q6) $8x +6x$= [ $14x$]

Q6) $5z + 3x+7z+3x$ = [ $12z +6x$]

Q6) $9xy^2 + 7y+9xy^2-5y$ = [ $18xy^2+2y$]

Q7) $8w$ x $5z$ = [ $40wz$]

Q7) $6z + 5x+10z+8x$ = [ $16z +13x$]

Q7) $14z + 3y+10z-7y$ = [ $24z-4y$]

Q8) $7x +2x$= [ $9x$]

Q8) $2w + 7x+2w-5x$ = [ $4w +2x$]

Q8) $2xyz + 3y-4xyz-7y$ = [ $-2xyz-4y$]

Q9) $8y$ x $9z$ = [ $72yz$]

Q9) $5y + 10w+2y-4w$ = [ $7y +6w$]

Q9) $17x^2 + 13y+10x^2-4y$ = [ $27x^2+9y$]

Q10) $4x$ x $5y$ = [ $20xy$]

Q10) $5w + 7y+6w-3y$ = [ $11w +4y$]

Q10) $5xy^2 + 14y-3xy^2-10y$ = [ $2xy^2+4y$]