Question

Solve it please it's urgent​

Answer 1

1.

x-1 3x⁴-4x³-3x-1 3x³-x²-x-4

3x⁴-3x³

-x³+0x²

-x³+x²

-x²-3x

-x²+x

-4x-1

-4x+4

-5

2.

1)12x²-7x+1

12x²-3x-4x+1

3x(4x-1)-1(4x-1)

(3x-1)(4x-1)

2)x³-2x²-x+2 x²(x-2)-1(x-2)

by syn division, (x²-1)(x-2)

1 -2 -1 2 or

2 0 2 0 -2

1 0 -1 0

(x-2)(x²-1)

3.

1)8a³+b³12a²b+6ab²

(2a)³+b³+3.(2a)².b+3.2a.b²

(2a+b)³

2)64m³-343n³

(4m)³-(7n)³

4.

1)

(100+3)×(100+7)

100*(3+7)=100×10=10002)

(998)³

(1000-2)³

1000³-2³-3.1000².2+3.1000.2²

5.

1)p(y)=y²-y+1

p(0)=0²-0+1=1

p(2)=2²-2+1=4-2+1=3

2)p(t)=2+t+2t²-t³

p(0)=2+0+2(0)²-0³

2+0+0-0=2

p(2)=2+2+2(2)²-2³

=4+8-8=4