Find the value of t such that (5x^2 - 6x + 7)(4x^2 +tx + 10) = 20x^4 -9x^3+ 60x^2 - 39x + 70.
+14903 Find the value of t such that (5x^2 - 6x + 7)(4x^2 +tx + 10) = 20x^4 -9x^3+ 60x^2 - 39x + 70.
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\( (5x^2 - 6x + 7)(4x^2 +{\color{blue}tx} + 10) =20x^4 -9x^3+ 60x^2 - 39x + 70\)
\((20x^4 -9x^3+ 60x^2 - 39x + 70): (5x^2 - 6x + 7)\\ =4x^2 +{\color{blue}3x} + 10\)
\(t=3\)
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