Multipy the polynomials x²+2x-3 and x²+x-2
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Answer:
x^4 + 3 x^3 - 3 x^2 - 7 x + 6
Step-by-step explanation:
given: (x^2 + 2 x -3) x (x²+x-2)
= x^2(x^2 + 2 x -3) + x (x^2 + 2 x -3) - 2(x^2 + 2 x -3)
= x^4 + 2 x^3 - 3 x^2 + x^3 + 2 x^2 - 3 x - 2 x^2 - 4 x + 6
= x^4 + 3 x^3 - 3 x^2 - 7 x + 6
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