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Find the value of 3xcube-4xsquare+7x-5.when x=3and …

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Find the value of 3xcube-4xsquare+7x-5.when x=3and x=-3

Posted by Asad Ahmed 6 years, 7 months ago

CBSE > Class 09 > Mathematics

1 answers

Anisha Singh 6 years, 7 months ago

3xcube - 4xsquare + 7x -5 = 3×3×3×3 - 4 ×9 + 21 -5 = 81 - 36 + 21 -5 = 61 & 3 × (-3 )×( -3 )× (-3) - 4 × (-3 )×( -3 ) + 7 × ( -3) -5 = -81 - 36 -21 -5 = - 193

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CBSE > Class 09 > Mathematics