Question

1. Simplify:
(a) 2a -(b-5a)
(b) (2a²+3b²+ 8ab) - (5a²+ 7b² - 5ab)
(c) 5x² + {(-3x²-5)-(5 + 9x²)}
(d) 7x – 2y - 3x - 7z
(e) -2(a – 3b) + 5(3a - 6b) - (-3a + 4b)
(f) 7(2x²+ 4y² + 3xy) – 3(2x² – 7y² – 5xy)​

Answer 1

Answer:

a.Solution:

2a-(b-5a)

=2a-b+5a

=2a+5a-b

=7a-b