The answer to number 1 = 40
x2 +3x-40= x2+8x-5x-40=x(x+8)-5(x+8)=. (x+8) (x-5).
<span>Julia is X+5
</span><span>x+x+5=31
</span>
Now we just solve the equation
2x=31-5
x=26/2
x=13 years old (Babs' age)
and we know that julia is 5 years older this gives us the conclusion that.
13+18=31
Answer:
6
Step-by-step explanation:
Answer:
go on photomath
Step-by-step explanation: