Answer:
the answer might be 0.86 I don't know though
Step1- substitute 1 into the y
= -3x-4 x 1=14
=-3x -4=14
=-3x=14+4
=-3x=18
X=18/-3
X=-6
Answer:
x = -4 or 2
Step-by-step explanation:
-4x² + 10x − 40 = -9x²
First, move the x terms to one side and the constant to the other.
5x² + 10x = 40
Divide by the leading coefficient:
x² + 2x = 8
Take half of the b coefficient, square it, then add to both sides.
(2/2)² = 1
x² + 2x + 1 = 8 + 1
x² + 2x + 1 = 9
Factor the perfect square:
(x + 1)² = 9
Solve for x:
x + 1 = ±3
x = -1 ± 3
x = -4 or 2
Than it would have an answer of 1
IT'S NO SOLUTION
ALTHOUGH I DON'T HAVE THE ANSWER BECAUSE I WAS DOING IT IN MY PHONE AND IT RESTART ITSELF SO I LOST IT BUT IF I FIND IT ILL TELL YA!
