solve the follwing problem its important pleae jetna ata h bhejo pleeeese
Attachments:
Answers
Answered by
1
A) i) 7ab²
ii) -6x^3
B) i) 7y²-2y+6 -2y -3 = 7y²-4y-3
ii)3a-4b-7ab+2a-3b+6ab= 5a-7b-ab
C) i) 3pq(2p-5) = 6p²q-15pq
ii) (x-3)(2x+7) = 2x²+7x-6x-21 = 2x²+x-21
A) ii) 1
B) i) (x+3)² = x²+9+6x
ii) (y-2)² = y²+4-4y
iii) (2x-5)(2x+5) = 4x²-25
C) i) (82)² = (80+2)² = 6400+4+320=6724
ii) (98)² = (100-2)² = 10000+4-400
= 9604
ii) -6x^3
B) i) 7y²-2y+6 -2y -3 = 7y²-4y-3
ii)3a-4b-7ab+2a-3b+6ab= 5a-7b-ab
C) i) 3pq(2p-5) = 6p²q-15pq
ii) (x-3)(2x+7) = 2x²+7x-6x-21 = 2x²+x-21
A) ii) 1
B) i) (x+3)² = x²+9+6x
ii) (y-2)² = y²+4-4y
iii) (2x-5)(2x+5) = 4x²-25
C) i) (82)² = (80+2)² = 6400+4+320=6724
ii) (98)² = (100-2)² = 10000+4-400
= 9604
Similar questions