Question

1. Add the following: (a) 11a + 6b and -5a + 3b (b) 7ab, 12ab, ab, -13ab (d) 22a - 5a, 3a?, -8°, -11a (e) 6x , -139x, 12xy, ry (g) 4xy? - 7x?v, 12x’y - 6xy, -3x+y + 5xy? (c) 11x - 15 and 16 + 5x () 3x + 5y + 2z, 5x - 7y + 1 (h) x? - 12x + 7, -9x + 10x + 1​

Answer 1

Answer:

a) 6a + 9b

b) 7ab

c) 16x + 1

d) 3a² + 6a - 8°

e) 13xy - 133x

f) 8x - 2y + 2z + 1

g) 9xy² - 10x²y + 6xy

h) x² -11x + 8