11. Simplify:(a) a(a+4) +3a (2a2-1)+ 4a2 +4 at a = -2(b) 1502 (2-3a)+5

1.	11. Simplify:(a) a(a+4) +3a (2a2-1)+ 4a2 +4 at a = -2(b) 1502 (2-3a)+5a(5+4b), at a =0, b=-1.12. Simplify :(1) 2xy(x - y)–3x2 (y-y2)-5y2 (2x2 – x)+2xy(y – x)(ii) a(a+5)+3a(2a2 –3)+5a2 +613. Perform the indicated multiplication :(095a(3–2a)6 ( 34) +a+o.
Answer» 13(i) 5a(3-2a) 5a×3-2a×5a = 15a-10a² bhenchod bhasdiwale thii ke lavde

11. Simplify:(a) a(a+4) +3a (2a2-1)+ 4a2 +4 at a = -2(b) 1502 (2-3a)+5a(5+4b), at a =0, b=-1.12. Simplify :(1) 2xy(x - y)–3x2 (y-y2)-5y2 (2x2 – x)+2xy(y – x)(ii) a(a+5)+3a(2a2 –3)+5a2 +613. Perform the indicated multiplication :(095a(3–2a)6 ( 34) +a+o.

Answer»

13(i) 5a(3-2a) 5a×3-2a×5a = 15a-10a²

bhenchod bhasdiwale thii ke lavde