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Factor the polynomial 21x3-35x2 plus 14x?
21x3-35x2+14x = 7x(3x2-5x+2)
What is a prime factor tree for 63?
63=21x3=3x7x3
What x what equals 63?
what x3 equals 63 is:21x3=63
What are the 21 times table?
Improve 21x1=21 21x2=42 21x3=63 21x4=84 21x5=105 21x6=126 21x7=147 21x8=168 21x9=189 21x10=210
What binomials are a factor of 4x4-21x3-46x2 plus 219x plus 180?
(4x + 3)(x + 3)(x - 4)(x - 5)
What is 3 x 21?
You should use your calculator for such simple sums. It is far quicker and involves fewer key depressions than posting the question on WA.
All numbers ending in 3 are prime?
Many, but not all. An example is 93. 93 is equal to 31x3 and not only 93x1. Another example is 63. 63 is equal to 21x3 and not only 63x1.
What is 3 tenth of 210?
Three tenths of 210 is found by multiplying 3/10x210. First, divide by 10: 210/10= 21. Next, multiply by 3: 21x3=63. This is always how you find the fraction of any number.
What is 21x cubed-23x squared-76x-32 divided by 7x plus 4?
(21x3-23x2-76x-32)/(7x+4) = [3x2(7x4) -5x(7x+4)-8(7x+4)]/(7x+4)=3x2-5x-8
What is the product of five one-fourth and three sevenths?
51/4 x 3/7 = 5x4+1/4 x 3/7 = 21/4 x 3/7 = 21x3/4x7 = 3x7x3/4x7 = 9/4 = 21/4
3 divided by 7x plus 5 equals 8?
3/7x + 5 = 87x(3/7x + 5) = 8(7x)3(7x/7x) + (7x)(5) = 8(7x)3 + 35x = 56x3 + 35x - 35x = 56x - 35x3 = 21x3/21 = 21x/211/7 = x
What are all the multiples of 21 up to 500?
The multiples of 21 up to 500 are as follows: 21x1=21 21x2=42 21x3=63 21x4=84 21x5=105 21x6=126 21x7=147 21x8=168 21x9=189 21x10=210 21x11=231 21x12=252 21x13=273 21x14=294 21x15=315 21x16=336 21x17=357 21x18=378 21x19=399 21x20=420 21x21=441 21x22=462 21x23=483 21x24=504
