if 2a+34-6 =56. find a^2+a-5
Answers
Answered by
1
Answer:
205
Step-by-step explanation:
2a+34-6 = 56
=>2a=56+6-34
=>2a=62-34
=>a=28/2
=>a=14
now put the value of a in equ
=> a square + a-5
=> 14 square + 14 -5
=>196 + 14 -5
=> 210 - 5
=>205
Answered by
8
Answer:
205
Step-by-step explanation:
a^2+a-5....................(1)
2a+34-6 = 56
=>2a=56+6-34
=>2a=62-34
=>a=28/2
=>a=14
Now put the value of a in equ - (1)
=> a square + a-5
=> 14 square + 14 -5
=>196 + 14 -5
=> 210 - 5
=>205
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