It is a linear inequality in one variable, a.
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2a
2a + 11a - 5a = 8a
5a = -5a + 5Add 5a to each side:10a = 5Divide each side by 10:a = 5/10 = 1/2
The square root of 25a squared is 5a. The square root of 16 is 4.So the answer is (5a+4)(5a-4)
7a+10=2a 7a+10-2a=0 5a+10=0 5a=-10 a=-2