Math Problem of the Day
One problem a day. A new one at midnight UTC.
Last updated
Today · Factoring Quadratics
Earlier days
- Simplify.−2³ + 9 × (6 − 4)Answer10
Work out 2³
−8+9×(6−4)Expand
−8+54−36Work out −8+54−36
10
- Write in vertex form.5x² − 20x + 13Answer5×(x−2)²−7
Take 5 out of the x terms
5×(x²−4×x)+13Complete the square
5×((x−2)²−4)+13Expand
5×(x−2)²−20+13Work out 5×(x−2)²−20+13
5×(x−2)²−7
- Simplify.9x + 2 + 8x − 7Answer17×x−5
Work out 9×x+2+8×x−7
9×x−5+8×xCollect like terms
17×x−5
- Solve for x.8(x + 2) + 9x = 33Answerx=1
Expand
8×x+16+9×x=33Move 33 to the other side
17×x−17=0Move −17 to the other side
17×x=17Move 17 to the other side
x=1
The problem comes from one of the practice topics, from the order of operations to radicals. The six days before today stay below with their answers.
Common questions
When does the problem change?
Every day at midnight UTC.
Where is the answer?
Under the problem, hidden until you open it.
