Mathematics
shortycme
8

please help me with this question please

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(1) Answers
FransiscaNoun351

Answer is the last choice 2a-4/1= -a-1/a-4 Cross multiply (2a-4)(a-4)= -(a-1) 2a^2-8a-4a+16= -a+1 Bring right to left sign change signs 2a^2-8a-4a+16+a-1=0 Combine like terms 2a^2-11a+15=0 a= 2 b= -11 c= 15 Use quadratic formula -b+-sq rt of b^2-4ac. Divided by 2a -(-11) +- 11^2-4(2)(15) divided by 2(2) 11+-sq rt 121-120 divided by 4 11+1 /4. 11-1/4 12/4. 10/4 3. , 5/2

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