Question

solve this

1).obtain all the zeroes of the polynomialbp(x)=3xpower4+6xcube-2xsquare-10x-5 of its zeroes are +1,+1

2). find all the zeroes of xcube+11xsquare+23x-35 if two of its zeroes are 1and -5.

3). it the remainder on dividing the polynomial xcube+xsquare+kx+3 by x-3 is 21, find the quotient and the value of k.​

Answer 1

1)(x+1)(x+1)(3x^2-5)

2)(x-1)(x+7)(x+5)

3)k=-14/3......