I x=5 and y=2, then (5x5)=25 plus (9x2)=18. 25+18=43
It is: 25-4(8*6) = -167
Factorising, we have, 9x2+ 30x + 25 = (3x + 5)2;thus, when y = 0, x = -1⅔. This tells us that the sole x-intercept of this function is at the vertex, (0, 1⅔).
9x2 + 30x + 25
Factor: 9x2 - 25.
(((9x2)+7)-5)=20 that is 9x2=18 18+7= 25 25-5=20
They are: (4x-5)(2x+5)
-4x2 - 32x + x + 8 = 8x2 - 56x : simplify and group the various terms-32x + 56x + x + 8 = 8x2 + 4x225x + 8 = 12x2 : Now present this as a standard quadratic equation.12x2 - 25x - 8 = 0 : Solving for the roots of a quadratic equation gives :-x = [25 ± √(252 + 4x12x8)] ÷ 2x12 = [25 ± √1009] ÷ 24 = [25 ± 31.765] ÷ 24x = 56.765/24 = 2.365 and x = -6.765/24 = -0.282x = 2.365 and -0.282
Anton Heinrich Springer?
1985 plus 25 equals 2010
Instead of -25 plus - 16, think of it as -25 - 16. 25 mins 16 equals -41.
If 40 plus x equals 25 then x is equal to -15.