Question

Guys!!please tell me the question no.14 and 15both.

And guys in the back side of the book the answer of 14is:-n=-4
and the answer of 15is:-3x^2-2y^2+xy
Guys please tell me the answer with step by step.thankyou!​

Answer 1

Answer:

x=1

3×1-1-n=6

3-1-n=6

2-n=6

-n=4

n=-4

15.)

5x^2+4y^2+10xy-(2x^2+6y^2+9xy)

=5x^2-2x^2+4y^2-6y^2+10xy-9xy

=3x^2-2y^2+xy

☺️These are super simple sums try to practise more...

best of luck

Answer 2

Step-by-step explanation:

this is the answer of your question 14 ok