To solve this equation simply find 2 numbers that multiply to give -4 and add also to give 3, these numbers are 4 and -1. Since 4 • -1 = -4 and 4 + -1 = 3.
X^2 + 3x - 4 = 0
(X - 1)(X + 4) = 0
X = -4 and X = 1 in ascending order.
Line 1 to 2: Commutative Property of Multiplication, because all that changed was the order of the things being multiplied.
Line 2 to 3: Commutative Property of *Addition*, because all that changed was the order of the things being added.
All that changed in either step was the ordering of the things being multiplied or added. That’s the commutative property.
It would be B, the second triangle.
Hope this helps.
Your solution is x= -7
5x+10=2x-11
(5x-2x)+10=(2x-2x)-11
3x+10=-11
3x(+10-10)=(-11-10)
3x=-21
3x\3=-21\3
X= -7
