Perform the multiplication, (7x^2+a^2)(x^2–3a^2)

-3a^4-20a^2x^2+7x^4

Step-by-step explanation:

Trust me i got it right in the RSM portal :))

y = 0.77(x)

step-by-step explanation:

the jacket retains this value after 23% cut or retains 77% of original value. plug original 87 jacket price for x and the remaining value should be y.

1.3

step-by-step explanation:

3x2=6   9x+6

bring down the 6 on both sides

6+6=12

12= 9x

divide by 9

12/9 =

1.3 =x