Question

+
2. Multiply:
(i) (x - 2y + 3) by (x + 2y)
3. Multiply:
(i) (3x2 - 2x - 1) by
(2x2 + x -
5
)​

Answer 1

Answer:

(x-2y+3)*(x+2y)

x(x-2y+3)+2y(x-2y+3)

x²-2xy+3x+2xy-4y²+6y

(3x²-2x-1)*(2x²+x-5)

2x²(3x²-2x-1)+x(3x²-2x-1)-5(3x²-2x-1)

6x⁴-4x³-2x²+3x³-2x²-x-15x²-10x+5

6x⁴-x³-19x²-11x+5

Answer 2

This is the answer of the question which you asked