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

what element in magma is most abundant

Provide evidence of parents' isolation and how it can increase the risk of divorce

give the role of school head

A trapezoid has a height of 6 inches, an area of 120 square inches, and one base measuring 13 inches. Find the length of the other base.

ito ay karaniwang tumatalakay sa mga kwentong may kinalaman sa mga diyos dyosa bathala diwata at mga kakaibang nilalang na may kaangyarihan

A baseball bat that originally sold for $65 is on sale at a 15% discount. Which single gift card amount would cover the complete cost of the discounted bat? Sel

. Aşağıdaki şekilde hazırlanan tampon çözeltilerin pH'larını hesaplayınız? a) 8 mmol NaCH3COO+ 200 mL 0.1 M CH3COOH b) 100 mL 0.05 M NaOH+ 100 mL 0.175 CH3COOH

Fill in the boxes with values that make the statement true.

Does anyone know how to answer these questions ? Thank you. a) Characterise the primary difference between a trade union and an industrial/general union. b) W

Given cosθ = .876 and tanθ = -4.731 determine sinθ