Question

Simplify: b)(x²-2x+3)(3x²+5x-7)-(3x²-2x+5)(2x+5)

Answer 1

3x^4+5x^3-7x^2-6x^3-10x^2+14x+9x^2+15x-21-(6x^3+15x^2-4x^2-10x+10x+25)
=3x^4-x^3-8x^2+29x-21-6x^3-11x^2-25
=3x^4-7x^3-19x^2+29x-46

Answer 2

Answer:

oh I hope it's right answer

Step-by-step explanation:

3x⁴-7x³-19x²+29x-46