Answer:
5x-2
Step-by-step explanation:
15x^2-x-2
15x^2+5x-6x-2
factorize
5x(3x+1)-2(3x+1)
Sol: (3x+1)*(5x-2)
Answer:
About 11.62 by 11.62
A square had equal sides so you find the square root of 135 and that is rounded to 11.62.
So the perimeter would be about 46. But 46.48 exactly.
Answer:
-8
Step-by-step explanation:
when you substitute -8 for b it is -4(-8)+3=35
-4(-8) is 32 and 32+3=35
Boom.
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Answer:
C. 9
Step-by-step explanation:
![area \: of \: square = {side}^{2} \\ \therefore \: {side}^{2} = 81 \\\therefore \: side = \sqrt{81} \\ \therefore \: side = 9 \: feet](https://tex.z-dn.net/?f=area%20%5C%3A%20of%20%5C%3A%20square%20%3D%20%20%7Bside%7D%5E%7B2%7D%20%5C%5C%20%20%5Ctherefore%20%5C%3A%20%20%20%7Bside%7D%5E%7B2%7D%20%20%3D%2081%20%5C%5C%5Ctherefore%20%5C%3A%20%20side%20%3D%20%20%5Csqrt%7B81%7D%20%20%5C%5C%20%5Ctherefore%20%5C%3A%20%20side%20%3D%209%20%5C%3A%20feet)
Hence, side length of square = 9 feet.