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What is the factored form of the expression x2 − 2x − 15?

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What is the factored form of the expression x2 − 2x − 15?

=(x−3)(x+5) . (x−3)(x+5) is the factorised form of the expression.

How do you Factorise an equation step by step?

How to Factor a Quadratic Equation?

  1. Expand the expression and clear all fractions if necessary.
  2. Move all terms to the left-hand side of the equal to sign.
  3. Factorize the equation by breaking down the middle term.
  4. Equate each factor to zero and solve the linear equations.

How do you Factorise equations quickly?

Starts here6:44How to Factor any Quadratic Equation Easily – Trick for factorising –
YouTubeYouTubeStart of suggested clipEnd of suggested clip57 second suggested clipSo the first thing we do have to do that is we just go a times C this first number times the lastMoreSo the first thing we do have to do that is we just go a times C this first number times the last number. 2 times negative 4 3 times negative 4 is equal to negative 8.

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How do you Factorise a quadratic equation quickly?

Starts here12:15Factoring Trinomials The Easy Fast Way – YouTubeYouTubeStart of suggested clipEnd of suggested clip58 second suggested clipX is equal to negative b plus or minus b squared minus 4ac divided by 2a. So the number in front ofMoreX is equal to negative b plus or minus b squared minus 4ac divided by 2a. So the number in front of x squared is a in front of X is B and this is C.

What is the factored form of 9×2 25y2?

Therefore 9×2 – 25y2 in factored form Is (3x – 5y)(3x + 5y).

How do you factorise and solve?

Starts here6:37Solving Quadratics using Factorisation – Corbettmaths – YouTubeYouTube

How do you factorise completely?

To factorise an expression fully, take out the highest common factor (HCF) of all the terms. For example, is the HCF of 4 x 2 and as 2 is the biggest number that will divide into 4 and 6 and is the biggest variable that will divide into and .

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How do I Factorize?

How do you factorise?

Starts here6:06Factorisation of Quadratic polynomials (GMAT/GRE/CAT/Bank PO/SSC …YouTube

What is Factorising KS3?

Factorisation is something you will come across in KS3 Maths when you are looking at algebra. ‘Factorising’ a number means breaking it down into smaller objects, or factors, which when multiplied together give the original. These will have an x-squared term, usually an x-term, and a number.