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GCSE
MATHEMATICS · Multi-part · GCSE · Mathematics · Algebra · Algebra
Problem
Solve for
x
x
x
: (a)
x
2
−
x
≥
0
x^2-x\geq 0
x
2
−
x
≥
0
(b)
3
x
2
+
2
x
<
0
3x^2+2x<0
3
x
2
+
2
x
<
0
(c)
x
2
+
4
x
+
4
>
0
x^2+4x+4>0
x
2
+
4
x
+
4
>
0
(d)
x
2
+
2
x
−
15
≤
0
x^2+2x-15\leq 0
x
2
+
2
x
−
15
≤
0
(e)
x
2
−
4
x
−
12
>
0
x^2-4x-12>0
x
2
−
4
x
−
12
>
0
(f)
3
x
2
+
9
x
−
12
<
0
3x^2+9x-12<0
3
x
2
+
9
x
−
12
<
0
Related theory
Linear Inequalities
Functions
Inequalities
Quadratic and rational inequalities
Algebra
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