x^2+7x-30=0 Rewrite the expression.
x^2+10x-3x-30=0 Factor the expressions.
x(x+10)-3 (x+10)=0 Factor the expression.
(x+10)(x-3)=0 Separate into possible cases.
x+10=0
Solve.
x-3=0
x1= -10
x2= 3
I don’t see the following expectations
Answer: F
Step-by-step explanation:
A square is always positive:

Answer:
1 and 3
Step-by-step explanation:
The angles opposite each other when two lines cross. They are always equal. "Vertical" refers to the vertex (where they cross), NOT up/down.
4x(-2) + 4 x 7 4x5 + 2x(-1) =[-8 20]
[28 -2 ]