You don't show the details but you would have to multiply two linear equations to produce a quadratic equation. ex:
y2*y1=(ax+b)(cx+d)=acx^2+(ad+bc)x+bd
Answer:
x = 3
Step-by-step explanation:
3(2 - 4x) = -30
=>6 - 12x = -30
=> 12x = 36
=> x = 3
Answer:
x = 1, y = -2
Step-by-step explanation:
Answer:
<-7,3> and 157°
Step-by-step explanation:
Trust fam
Answer:
$400
Step-by-step explanation:
20% = 1/5
$80 x 5 = $400
