MathsWhizz1928 MathsWhizz1928

12-06-2016
Mathematics

contestada

Please help me with these questions! It's an urgent! Thanks! And can u also tell me how to work it out

Please help me with these questions Its an urgent Thanks And can u also tell me how to work it out class=

Respuesta :

19-06-2016

11. (x-1) (x-1) = x^2 - x - x + 1 = x^2 - 2x + 1

12. (x+7) (x-7) = x^2 - 7x +7x - 49 = x^2 - 49

14. 2x + 5 > 3 <=> 2x > -2 <=> x > -1
Hope you understand :)

Answer Link

Otras preguntas

what tells you which operation to perform first... I really need the answer like now!! thank you!

What factors distinguish one biome from another?

81 is 54% of what number

What is t equal to in the equation 6t-1/6=9

0.285 to the nearest tenth

What is a hook in the first paragraph of an essay

Find the greatest common factor (gcf) of 15 and 35

What does ¿Cuál es la fecha de hoy? mean and how would you answer?

81 is 54% of what number

What are two equivalent fractions for 2/10, three equivalents fractions for 3/11 and three equivalent fractions for 1/12?