1) 2.3 x 1000
2) 2.3 x 10^3
3) Both reveal the same answer of 2,300 and are equal. Only displayed differently
X(x + 2) = 120sq units
<span>Set it equal to 0 </span>
<span>x^2 + 2x - 120 = 0 </span>
<span>factor </span>
<span>(x + 12)(x - 10) </span>
<span>For the shorter side: </span>
<span>x - 10 = 0 </span>
<span>x = 10 </span>
<span>Now that you have x, solve for the longer side which we said was represented by </span>
<span>x + 2 </span>
<span>10 + 2 = 12 </span>
<span>Proof </span>
<span>A = L x W </span>
<span>120 = 10 x 12 </span>
<span>120 = 120 </span>
<span>true </span>
<span>Our length is 12 and our width is 10</span>
2x + 2(5+x)=10
2x+10+2x=10
4x+10=10
4x=0
X=0
Answer (prediction, first edit):
5,600,000
Equation:
