Question

15
Add the following expressions:
(i) 5x, 7x, - 6x
(iii) 5a_b, -8a²b, 7a²b​

Answer 1

Step-by-step explanation:

• 5x+7x+(-6x)
• 5x+7x-6x
• 12x-6x
• 6x answer

$5 {a}^{2} b \: + ( - 8 {a}^{2} b) + 7 {a}^{2} b \ \\ - 3 {a}^{2} b + 7 {a}^{2} b \\ {4}^{2} b$