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Step by step text solution for Add the following expressions: (i) 5x, 7x, -6x (ii) (3)/(5)x, (2)/(3)x, (-4)/(5)x (iii) 5a^(2)b, -8a^(2)b, 7a^(2)b (iv) (3)/(4)x^(2), 5x^(2), -3x^(2), (-1)/(4)x^(2) (v) x - 3y + 4z, y -2x - 8z, 5x - 2y - 3z (vi)2x^(2) - 3y^(2), 5x^(2) + 6y^(2), -3x^(2) - 4y^(2) (vii) 5x - 2x^(2) -8, 8x^(2) - 7x - 9, 3 + 7x^(2) - 2x (viii) (2)/(3)a - (4)/(5)b + (3)/(5)c, -(3)/(4)a - (5)/(2)b +(2)/(3)c,(5)/(2)a + (7)/(4) -(5)/(6)c (ix) (8)/(5)x + (11)/(7)y + (9)/(4)xy , -(3)/(2)x - (5)/(3)y -(9)/(5)xy (x) (3)/(2)x^(3) - (1)/(4)x^(2) + (5)/(3), -(5)/(4)x^(3) + (3)/(5)x^(2) - x + (1)/(5), -x^(2) + (3)/(8)x - (8)/(15) by MATHS experts to help you in doubts & scoring excellent marks in Class 7 exams.
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