Answers>Maths>GCSE>Article

Complete the square of the following expression: 2x^2 -8x+21

2(x-2)^2 +13

IF

Answered by Iliya F. • Maths tutor

4183 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

Draw the graph of x^3 + x^2 - 6x

John has 12 marbles. Sandra has 10 more marbles than Kathy. Kathy has 4 times as many marbles as John. How many marbles does Sandra have?

Show that (sqrt(3) + sqrt(75))^{2} = 108

rearrange the equation y=7x-3 to make x the subject