Question

1. Evaluate :
(i) - 7x2 + 18x2 + 3x2 - 5x2
(ii) bºy - 9b2y + 2bºy - Ebºy
(iii) abx - 15abx – 10abx + 32abx
(iv) 7x - 9y + 3 - 3x - 5y + 8
(v) 3x2 + 5xy - 4y2 + x2 - 8xy - 5y2​

Answer 1

Answer:

Here i am answering question ( I )

Question = - 7x2 + 18x2 + 3x2 - 5x2

Answer = - 14 - 36 + 6 - 10

= - 50 - 4

= -54

Here's your Answer which is - 54