Step-by-step explanation:
4x^2-6x-40
2(2x^2-3x-20)
=2(2x+5)(x-4)
When you solve an inequality, you should always be extra careful to check that you don't multiply it by a negative number - because if you do, then you have to change the sign!
So here, the mistake is in this step:
−9x≥ −36
x ≥ 1.
you should change the sign to ≥
x≤1!
Me neither smh sksksksks & i oop & i oopp
Add
2
y
2
y
to both sides of the equation then divide by
14
14
.
x
=
1
14
+
y
7
Move all terms that don't contain
x
x
to the right side and solve.
x
=
−
1
+
y
2
<h2>
Answer:</h2><h3>9 </h3>
When you divide you number actually gets bigger.
You flip the last number in the question and then turn it in to a multiplication problem and then solve!!
Hope I could help!!!
Brainiest??