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Solve X^2 - 10X + 18=0

This is solving a quadratic equation. There are two ways we can solve this. Using the quadratic equation or completing the square. 1. Quadratic equation-The equation is in the form ax^2 + bx + c. Where a=1 b...
BM
Answered by Ben M. • Maths tutor
9062 Views

Find values of x for which 2x^2 < 5x + 12

Start by rearranging the inequality - make sure the sign next to the x 2 term is positive to make it easier: 2x 2 -5x - 12&lt; 0 Next step is to factorise this quadratic. To do this, remember that the genera...
SB
Answered by Sean B. • Maths tutor
15920 Views

Write 0.185 as a percentage

Times by 100 0.185 X 100= 18.5%
EP
Answered by Emily P. • Maths tutor
4692 Views

Show that 3/10 + 2/15= 13/30

First make the denominator the same 3/10 X3 2/15 X2 =9/30 + 4/30 =13/30
EP
Answered by Emily P. • Maths tutor
7796 Views

Expand and simplify 3(m + 4) – 2(4m + 1)

Multiply through the 3 of the first bracket to get 3m +12. Then multiply out the second bracket by -2 to get -8m -2. Write it out in a line: 3m + 12 - 8m -2 Simplify: -5m +10 Divide by -5 again to simplify f...
TD
Answered by Tutor49422 D. • Maths tutor
15187 Views