liamtbourne
Answered

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find the product of (x² + 2x -3)(4x² -5x + 6)​

Sagot :

devishri1977

Answer:

Step-by-step explanation:

(x² + 2x - 3 ) *(4x² - 5x + 6) = x² *(4x² - 5x +6) +2x*(4x² - 5x + 6) -3*(4x² - 5x + 6)

 = x²*4x² + x²*(-5x) + x²*6 +2x*4x² + 2x*(-5x) +2x*6 + (-3)*4x² + (-3)*(-5x) + (-3)*6

= 4x⁴ - 5x³ + 6x² + 8x³ - 10x² + 12x - 12x² + 15x - 18

= 4x⁴ - 5x³ + 8x³  + 6x² -10x² - 12x² + 12x + 15x - 18

= 4x⁴ + 3x³ - 16x² + 27x - 18

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