Factoring Trinomials: True / false

Question 1

The decomposition of the previous trinomial:

$$ x^2+x-20=0 $$

is $$ (x+2)(x-10)=0 $$

Question 2

The decomposition of the previous trinomial:

$$ x^2-5x+6=0 $$

is $$ (x-5)(x+6) $$

Question 3

The decomposition of the previous trinomial:

$$ x^2+16x+64=0 $$

is $$ (x+8)(x+8)=0 $$

Question 4

The decomposition of the previous trinomial:

$$ x^2+3x-18=0 $$

is $$ (x+6)(x-3)=0 $$

Examples with solutions for Factoring Trinomials: True / false

The decomposition of the previous trinomial:

$x^2+x-20=0$

is $(x+2)(x-10)=0$

Not true

The decomposition of the previous trinomial:

$x^2-5x+6=0$

is $(x-5)(x+6)$

Not true

The decomposition of the previous trinomial:

$x^2+16x+64=0$

is $(x+8)(x+8)=0$

True

The decomposition of the previous trinomial:

$x^2+3x-18=0$

is $(x+6)(x-3)=0$

True