I find the sun wing cdumo method 7a+ 26 and 3a+4b
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Step-by-step explanation:
Find the sum of :
(i) 3a + 4b + 7c – 5a + 3b – 6c
and 4a – 2b – 4c.
(ii) 2x2 + xy – y2, – x2 + 2xy + 3y2
and 3x2 – 10xy + 4y2.
(iii) x2 – x + 1, -5x2 + 2x – 2
and 3x2 – 3x + 2
(iv) a2 – ab + bc, 2ab + bc – 2a2
and -3bc + 3a2 + ab.
(v) 4x2 + 7 – 3x, 4x – x2 + 8
and -10 + 5x – 2x2.
(vi) 3x + 4xy – y2, xy – 4x + 2y2
and 3y2 – xy + 6x.
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