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Find the value of a so that (-2) is a root of 2x² - x + a = 010 -109-9 |
Answer» a=-10 is the correct answer...Step-by-step explanation: keep -2 in X place2(-2)²-(-2)+a= 02(4)-(-2)+a= 08 -(-2)+a= 08+2+a= 010+a= 0a= 0-10a= -10 |
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