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

How has spain influenced america? please give me just ideas

roberto wants to reduce a drawing that is 12 inches long by 9 inches wide.If his new drwing is 8 inches long,how wide will it be?

There are 95 cherry pieces in 5 bags of candy.How many pieces per bag?

lucas is counting by 8 .witch of these numbers will not count 32,56,72,84.??

explain why the Articles of Confederation was not a satisfactory federal government

Steve uses 8/9 gallon of paint to paint 4 identical bird houses. How many gallons of paint does he use for each birdhouse?

a rhythmic disturbance that carries energy through matter or space

Which president made the decision to use the atomic bomb against Japan? a. Harry Truman b. Franklin d. Roosevelt c. Dwight d. Eisenhower d. Herbert Hoove

Which theory was used to justify United States imperialism in the late 19th Century? A. evolution B. Social Darwinism C. assimilation D. Marxism

On an algebra test, the highest grade was 42 points higher than the lowest grade. The sum of the two grades was 138. Find the lowest grade.