Question

Find the square of
(i) 12 x^2 – 13y^2
(ii)9x^2 + 15y​

Answer 1

Answer:

i.12x^2-13y^2. ii.3(3x^2-5y)

Step-by-step explanation:

i.(12*(x^2))-13y^2

(2^2*3x^2)-13y^2

12x^2+13y^2.....

ii.9x^2-15y

(3*3x^2)-(3*5y)

3(3x^2-5y)

*=multiply

^=power