3(2-y)^2+4 (y-5)^2????

Question

3(2-y)^2+4 (y-5)^2????

Answer 1

3(2-y)²+(y-5)²=(6-3y)²+(4y-20)²=36-36y+9y²+16y²-160y+400=25y²-196y+436