2 sin2(x) + sin(x) - 1 = 0
(2 sin + 1) (sin - 1) = 0
Either 2 sin(x) + 1 = 0
2sin(x) = -1
sin(x) = -0.5
x = 210°, 330°
or sin(x) - 1 = 0
sin(x) = 1
x = 90°
It is impossible but if it were x squared plus 2x minus 15 the equation would be (x+5) (x-3) with x being equal to either -5 or 3. If the original problem was x squared minus 2x minus 15 the equation would be (x-5)(x+3) and x would be equal to either 5 or -3
x=9 squared
7
2(x - 7)(x - 1)
Dividend: x3+4x2-9x-36 Divisor: x+3 Quotient: x2+x-12
hello
(b-4) squared
It can't be solved because the discriminant of this quadratic equation is less than zero
2222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222
Solve using the quadratic formula
(3x-2)(x-2)
X=1
You have to put your heart into it!
This expression factors as x -1 quantity squared.
X= plus or minus 1
x = 25 / 3squared + 5
Two plus 3 minus 2 times 1 squared plus 4 times 16 squared minus 4 times 2 is equal to 1,019.