x²-5x+7×3x²+2x-1 solve this
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Hi ,
( x² - 5x + 3 ) ( 3x² + 2x - 1 )
= x² (3x² + 2x - 1 ) - 5x ( 3x² + 2x - 1 )
+3(3x² + 2x - 1 )
= 3x⁴ + 2x³ - x² - 15x³ -10x² + 5x + 9x²
+ 6x - 3
= 3x⁴ - 13x³ - 2x² + 11x - 3
I hope this helps you.
:)
( x² - 5x + 3 ) ( 3x² + 2x - 1 )
= x² (3x² + 2x - 1 ) - 5x ( 3x² + 2x - 1 )
+3(3x² + 2x - 1 )
= 3x⁴ + 2x³ - x² - 15x³ -10x² + 5x + 9x²
+ 6x - 3
= 3x⁴ - 13x³ - 2x² + 11x - 3
I hope this helps you.
:)
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