Find the sum of x−5x+3 and −x+5x+3
(a) From the sum of 3x − y + 11 and − y − 11, subtract 3x − y − 11.
(b) From the sum of 4 + 3x and 5 − 4x + 2x2, subtract the sum of 3x2 − 5x and − x2 + 2x + 5.
Question 6 (b)
From the sum of 4+3x and 5−4x+2x2, subtract the sum of 3x2−5x and −x2+2x+5.
Find the sum of the following polynomials and write the degree of the sum so obtained (i) 2x3 - 7x2 + 3x + 4 ; 2x3 - 3x2 + 4x + 1 (ii) 3x2 + 5x - x7 ; - 3x2 + 5x + 8 (iii) x4 + 5x3 + 7x ; 4x3 - 3x2 + 5 (iv) y2 + 2y - 5 ; y3 + 2y2 + 3y + 4 ; y3 + 7y - 2 (v) 5m2 + 3m + 8 ; m3 - 6m2 + 4m ; m3 - m2 - m + 5