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Factor 20y2 plus 3y - 2?
You just have to use trial and error on this one to find the two factors. Use the FOIL method of multiplying to check and see if the factors add up to the original statement. (4y - 1)(5y + 2)
Factoring this expression Check by multiplying factors xy plus ay plus ab plus bx?
xy + ay + ab + bx = y(x + a) + b(a + x) = y(x + a) + b(x + a) = y(x + a) + b(x + a) = (y + b)(x + a) To check, multiply out the two brackets making sure that each pair is evaluated.
What is the factor of the polynomial in descending order x2 plus 7x plus 10?
Restate the question: Factor the polynomial x2 + 7x + 10. You look for two numbers which multiply to make 10 and add to make 7. They are 5 and 2. Now put them into the two factors: (x + 5)(x + 2). Check your factors by multiplying using 'FOIL': x2 + 2x + 5x + 10 = x2 + 7x + 10. Check!
How would you know if the factor is correct?
you have to check it...
Factor completely and check mentally 15a - 25b plus 20?
Factor completely and check mentally 10a^2+20a
Factor this expression Check by multiplying factors xy-xyb-abx plus ab?
The expression, as given, cannot be factorised.
Factor this expression Check by multiplying factors 3ab-a-3b2 plus b?
(3b - 1)(a - b)
Factor this expression. Check by multiplying factors. ac-3ad-2bc plus 6bd?
(a - 2b)(c - 3d)
Factor this expression Check by multiplying factors 2ab-6ac plus 3b 9c?
(2a + 3)(b - 3c)
Factor this expression check by multiplying factors.4ac plus 2ad plus 2bc plus 4bd?
ac + 2ad + 2bc + 4bd = a(c + 2d) + 2b(c + 2d) = (a + 2b)(c + 2d) Now expand to confirm your answer: c(a + 2b) + 2d(a + 2b) = ac + 2bc + 2ad + 4bd ≡ ac + 2ad + 2bc + 4bd
Factor this expression Check by multiplying factors ac-5ad-5bc plus 25bd?
ac-5ad-5bc+25bd a(c-5d)-5b(c-5d) (a-5b)(c-5d) FOIL First (a*c=ac) Outside (a*-5d=-5ad) Inside (-5b*c=-5bc) Last (-5b*-5d=25bd) ac-5ad-5bc+25bd
After you divide a polynomial by a monomial you can check your answer by multiplying it by the original?
monomial
How do you check your answer if you are multiplying?
Divide the product by one of the multiplicands. The answer should be the other multiplicand.
How do you stop Gmail contacts multiplying?
You make a check by they're name, then go to delete.
How would you define Multiplying exponents?
When multiplying exponential factors the exponents are added if bases are the same. 5^3 * 5^4 = 5^7 check it out on your calculator.
Factor 20y2 plus 3y - 2?
You just have to use trial and error on this one to find the two factors. Use the FOIL method of multiplying to check and see if the factors add up to the original statement. (4y - 1)(5y + 2)
How do you factor 25y2-36x2?
You can use the formula for the difference of two squares in this case. - In general, for factoring, check whether the expression to be factored corresponds to one of several common forms - as in this case.
