Find the products using suitable identity: 1.(3y –2z) (3y + 2z) 2.105 × 98

Tbrk asked Dec 4, 2022

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5 votes

Find the products using suitable identity:
1.(3y –2z) (3y + 2z)
2.105 × 98

Tbrk asked Dec 4, 2022

by Tbrk

2.5k points

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15 votes

2)10,290

105

10290

(3y-2z) (3y+2z)

3y(3y+2z)-2z(3y+2z)

9y2+6yz-2z(3y+2z)

9y2+6yz-6yz-4z2

9y2-4z2

Jakub Hampl answered Dec 11, 2022

2.8k points

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