By how much is x^4-4x^2y^2+y^4 less than x^4+8x^2y^2+y^4
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Step-by-step explanation:
) 9p + 16q ; 13p + 2q (ii) 2a + 6b + 8c; 16a + 13c+ 18b
(iii) 13x2−12y2 ; 6x2 − 8y2 (iv) 17a2 b2 + 16c ; 28c − 28a2 b2
(v) 3y2 − 10y + 16 ; 2y−7 (vi) −3y2 + 10y −16 ; 7y2 + 8
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