Solve for x over the real numbers:
x^2+4 = 6-x
Subtract 6-x from both sides:
x^2+x-2 = 0
The left hand side factors into a product with two terms:
(x-1) (x+2) = 0
Split into two equations:
x-1 = 0 or x+2 = 0
Add 1 to both sides:
x = 1 or x+2 = 0
Subtract 2 from both sides:
Answer: |
| x = 1 or x = -2
Удачи!
1)3(2a-1)
2)a2b3(1-ab)
2)6xy(2x-1-4y)
4)(y+5)(x+1)
5)(b-c)(a+1)
6)(b-c)(a-4)
<span>(4x-3)(8x+6)= 32x^2+24x-21x-18=32x^2+3x</span>
<span><span>2y(y^2 -1)(2+y)=2y(2y^2+y^3-2+y)=4y^3+2y^4-4y+2y^2
степень - ^ </span></span>