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CBSE Class 10 Answered

(3x)2+11x+30
Asked by rajendrame089 | 28 Jun, 2022, 07:09: AM
answered-by-expert Expert Answer
3 straight x squared plus 11 straight x plus 30 equals 0
rightwards double arrow straight x equals fraction numerator negative 11 plus-or-minus square root of 121 minus 4 open parentheses 3 close parentheses open parentheses 30 close parentheses end root over denominator 2 cross times 3 end fraction equals fraction numerator negative 11 plus-or-minus square root of negative 239 end root over denominator 6 end fraction
If space the space equation space is space straight x squared plus 11 straight x plus 30 equals 0
rightwards double arrow straight x squared plus 5 straight x plus 6 straight x plus 30 equals 0
rightwards double arrow straight x left parenthesis straight x plus 5 right parenthesis plus 6 left parenthesis straight x plus 5 right parenthesis equals 0
rightwards double arrow left parenthesis straight x plus 5 right parenthesis left parenthesis straight x plus 6 right parenthesis equals 0
rightwards double arrow straight x equals negative 5 space space or space space straight x equals negative 6
Answered by Renu Varma | 28 Jun, 2022, 06:33: PM

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