Q81Multiple choice
Add:
- (i)7a2bc, – 3abc2, 3a2bc, 2abc2
- (ii)9ax, + 3by – cz, – 5by + ax + 3cz
- (iii)xy2z2 + 3x2y2z – 4x2yz2, – 9x2y2z + 3xy2z2 + x2yz2
- (iv)5x2 – 3xy + 4y2 – 9, 7y2 + 5xy – 2x2 + 13 (v) 2p4 – 3p3 + p2 – 5p +7, –3p4 – 7p3 – 3p2 – p – 12 (vi) 3a (a – b + c), 2b (a – b + c) (vii) 3a (2b + 5c), 3c (2a + 2b)
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(i) 7a2bc, – 3abc2, 3a2bc, 2abc2
(ii) 9ax, + 3by – cz, – 5by + ax + 3cz
(iii) xy2z2 + 3x2y2z – 4x2yz2, – 9x2y2z + 3xy2z2 + x2yz2
(iv) 5x2 – 3xy + 4y2 – 9, 7y2 + 5xy – 2x2 + 13 (v) 2p4 – 3p3 + p2 – 5p +7, –3p4 – 7p3 – 3p2 – p – 12 (vi) 3a (a – b + c), 2b (a – b + c) (vii) 3a (2b + 5c), 3c (2a + 2b)