x^2+7x-30=0 Rewrite the expression.
x^2+10x-3x-30=0 Factor the expressions.
x(x+10)-3 (x+10)=0 Factor the expression.
(x+10)(x-3)=0 Separate into possible cases.
x+10=0
Solve.
x-3=0
x1= -10
x2= 3
Answer:
1608
Step-by-step explanation:
Answer:
120
Step-by-step explanation:
Add more detail if it is a different question
219+159≤x≤369+309
The answer can then be simplified to
378≤x≤678