Q: Factor out the GCF -13x2 - 5x7?

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the factor pairs are 1x35 & 5x7

the factor pairs are 1x35, 5x7

13x2=26 By Someone?

There aren't any common factors, which makes the GCF 1. This is meaningless to factor out, since it leaves the original equation. If you meant to write -5x7, that makes the common factor -x2 and leaves (5x5 + 13)

(x - 2)(x + 2)(x - 3)(x + 3)

The GCF of 26 and 32 is 2. 32=2^5 26=13x2 Note that the only common factor is 2 so it is the gcf.

First factor both numbers. 14=2x7 35=5x7 Take all the factors that are common in both numbers. 7 is the GCF Some numbers like 24 and 18 may have more. 24=2x2x2x3 18=2x3x3 Common to both are 2x3=6 6 is the GCF.

Since 7 is a factor of 28, it is automatically the GCF.

Since 12 is a factor of 96, it is automatically the GCF.

The greatest common factor (GCF) is: 14

4x4 + 13x2 + 36 is a quadratic in x2. The discriminant is 132 - 4*4*36 = -407. Since the discriminant is negative, the expression has no real roots and so it cannot be factorised (in the normal sense of the term).