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
Answer:
The answer is B and C.
Step-by-step explanation:
Understand what exactly??
Answer=56
87.5%*y=49
.875y=49
____ ___
.875 .875
divide both sides by .875
y=56
