(x+5)(x-5)(3x-1) kwadrat + (x+4) kwadrat
Prosze o obliczenie.
(x+5)(x-5)(3x-1)² + (x+4)² = (x² - 25)(9x² - 6x + 1) + x² + 8x + 16 =
9x⁴ - 6x³ + x² - 225x² + 150x - 25 + x² + 8x + 16 = 9x⁴ - 6x³ - 223x² + 158x - 9
(x^2-25)(9x^2-6x+1)+x^2+8x+16
9x^4-6x^3+x^2-225x^2+150x-25+x^2+8x+16
9x^4-6x^3-223x^2+158x-9
Mam nadzieje że pomogłem
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(x+5)(x-5)(3x-1)² + (x+4)² = (x² - 25)(9x² - 6x + 1) + x² + 8x + 16 =
9x⁴ - 6x³ + x² - 225x² + 150x - 25 + x² + 8x + 16 = 9x⁴ - 6x³ - 223x² + 158x - 9
(x^2-25)(9x^2-6x+1)+x^2+8x+16
9x^4-6x^3+x^2-225x^2+150x-25+x^2+8x+16
9x^4-6x^3-223x^2+158x-9
Mam nadzieje że pomogłem