Kenneth S. answered • 02/08/17
Tutor
4.8
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Expert Help in Algebra/Trig/(Pre)calculus to Guarantee Success in 2018
Your mean simplified, not solved.
Notice that the second expression enclosed in parentheses is zero.
That leaves you with 3x+9. DONE.
One could solve an equation, if asked to set the expression equal to zero: 3x+9 = 0 has SOLUTION x= -3.
SOLVE only pertains to equations, inequalities, etc.
