xpineappleslusheex xpineappleslusheex

03-06-2018
Mathematics

contestada

Factorise completely
[tex]1) {x}^{2} - 12x - 13[/tex]
[tex] 2){32y}^{2} + 8y[/tex]
[tex]3) {x}^{2} - 9[/tex]

Respuesta :

03-06-2018

1. Number that adds up to -12 and multiplied by the same # that gives u -13. Set it up like this because both are negative so, u need 1 negative and 1 positive.
(x-13)(x+1)

2. Same rule applies. GCF
8y(4y+1)

3. (x+3)(x-3)

Answer Link

Otras preguntas

Which statement about the New England colonies is true?

What is the most likely purpose for writing an explanatory article from a third-person point of view that includes many facts and details about a topic?

Which statement about the New England colonies is true?

Raina must choose a number between 55 and 101 that is a multiple of 2,3 and 9. Write all the numbers that she could choose. If there is more than one number, se

Convert 0.680 L/min to units of microliters per hour. Show the unit analysis by dragging the conversion factors into the unit‑factor slots.

In 1986 the Federal Office of Road Safety in Australia conducted an experiment to assess the effects of alcohol and marijuana on mood and performance.29 Partici

Farid performed a chemistry experiment in which he divided 2/3 of a box of baking soda evenly among 4 bottles. He then added vinegar and water to each bottle to

the sum of three consecutive numbers is 54. what is the smallest integer being added?

Which word or phrase is a correlative conjunction? A.whereas B.either or C.whether D.now that

Please help! 5x^2 - 3x - 2 = 0 Solve using the zero-factor property.