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What are the roots of the quadratic equation x squared - 4x -5 equals 0 are?
x2 - 4x - 5 = zero( x - 5 ) ( x + 1 ) = zerox - 5 = zero ...... X = 5x + 1 = Zero ...... X = -1
What is 4x squared times 4x squared?
When you multiply 4x² by 4x², you multiply the coefficients (4 * 4 = 16) and add the exponents of the variables (x² * x² = x^(2+2) = x⁴). Therefore, the result is 16x⁴.
What is the expression in factored form 16x2 - 25?
16x^2 - 25 Recognise that both 16 and 25 are squared numbers, 16 = 4^(2) & 25 = 5^(2) Substituting 4^(2)x^(2) - 5^(2) = > (4x)^(2) - 5^(2) We now have two squared terms with a negative between them. NB two squared terms with positive does NOT factor. Factoring (4x - 5)(4x + 5)
Find the solutions for 4x squared plus 4x plus 1 equals 0?
x = -½
Fx equals x cubed plus 4?
x = ¼x^4 + 4x + k where k can be any number
What is x squared - 4x- 5?
It is: (x-5)(x+1) when factored
Is fx equals x x equals 5 a linear equation?
no, because xx=x squared, and x squared is not linear
What is the factor for thetrinomial 4x squared -7x -15?
(4x + 5)(x - 3)
What is the solution to 4x squared minus x minus 5 equals 0?
4x2 - x - 5 = 0 4x2 + 4x - 5x - 5 = 0 4x(x + 1) - 5(x + 1) = 0 (4x - 5)(x + 1) = 0 4x - 5 = 0 or x + 1 = 0 4x = 5 or x = -1 x = 5/4 o x = -1
How do you factor x squared plus 4x plus 5?
x^2 + 4x + 5 cannot be factored because its discriminant is less than zero.
How do you factor x squared minus 4x minus 5?
Find factors of -5 that can be added to make -4, in this case -5 and 1, so: (x - 5)(x + 1) = x2 - 4x - 5
What are the roots of the quadratic equation x squared - 4x -5 equals 0 are?
x2 - 4x - 5 = zero( x - 5 ) ( x + 1 ) = zerox - 5 = zero ...... X = 5x + 1 = Zero ...... X = -1
What is 4x squared times 4x squared?
When you multiply 4x² by 4x², you multiply the coefficients (4 * 4 = 16) and add the exponents of the variables (x² * x² = x^(2+2) = x⁴). Therefore, the result is 16x⁴.
What does x squared plus 4x simplify into?
x2 + 4x = x(x+4)
How do you factorise x squared plus 4x?
x2 + 4x = x(x + 4)
What are the factors of 4x squared?
4x^2 = 2 * 2 * x * x
How do you factor 4x squared minus x minus 5?
To factor the quadratic expression (4x^2 - x - 5), we look for two numbers that multiply to (4 \times -5 = -20) and add to (-1) (the coefficient of (x)). The numbers (-5) and (4) work since (-5 + 4 = -1). We can then rewrite the expression as (4x^2 - 5x + 4x - 5) and factor by grouping: (x(4x - 5) + 1(4x - 5)), yielding ((4x - 5)(x + 1)). Thus, the factored form is ((4x - 5)(x + 1)).
