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What is 2x-(3x 7)?
(3x-2)(2x+7) is the same as 6x^2 +17x -14 when the brackets are multiplied out
Factorise 6x plus 9x cubed?
6x + 9x^3 = 3x*(2 + 3x^2)
What is 2x - 3x 2?
(3x-2)(2x+7) is the same as 6x^2 +17x -14 when the brackets are multiplied out
5x plus 8 equals 3x plus 2?
5x + 8 = 3x + 25x - 3x = 2 - 82x = -6x = -6/2x = -3Check:5(-3) + 8 = 3(-3) + 2-15 + 8 = -9 + 2-7 = -7
3x - 6 equals -3x plus 36?
3x - 6 = -3x + 36Add 3x to each side:6x - 6 = 36Add 6 to each side:6x = 42Divide each side by 6:x = 7
3x plus 7 equals 6x - 2?
3x + 7 = 6x - 2 Rearranging gives 6x - 3x = 7 + 2 3x = 9 x = 3
If 6x-7 equals 3x plus 5 what is x?
6x-7 = 3x+5 6x = 3x+12 (subtracting -7) 3x=12 (subtracting 3x) x=4 (dividing by 3)
What is the answer to 4 plus 6x equals 5 plus 3x plus 7?
6x+4=3x+12 => 6x-3x=12-4 => 3x=8 => x=8/3=2.666...
What is 3x -2x -7?
(3x-2)(2x+7) is the same as 6x^2 +17x -14 when the brackets are multiplied out
What is 2x-(3x 7)?
(3x-2)(2x+7) is the same as 6x^2 +17x -14 when the brackets are multiplied out
Need to simplify 3x (6x-7) 6?
To simplify the expression ( 3x(6x - 7) + 6 ), first distribute ( 3x ) to both terms inside the parentheses: [ 3x \cdot 6x - 3x \cdot 7 = 18x^2 - 21x. ] Then, add the constant ( 6 ): [ 18x^2 - 21x + 6. ] So, the simplified expression is ( 18x^2 - 21x + 6 ).
Factorise 6x plus 9x cubed?
6x + 9x^3 = 3x*(2 + 3x^2)
What is 2x - 3x 2?
(3x-2)(2x+7) is the same as 6x^2 +17x -14 when the brackets are multiplied out
What are the solutions to 3x squared equals 6x plus 4 shown by means of completing the square?
If: 3x^2 = 6x+4 Then: 3^2 -6x-4 = 0 Divide all terms by 3: x^2 -2x-4/3 = 0 Completing the square: (x-1)^2 -7/3 = 0 => (x-1)^2 = 7/3 or as 21/9 If: (x-1)^2 = 21/9 Then: x = 1 +/- (square root 21) over 3 which are the exact solutions
How do you factor -3x2-18x-24?
-3(x + 2)(x + 4)
What is (3x plus 14)?
(3x-2)(2x+7) is the same as 6x^2 +17x -14 when the brackets are multiplied out
What is x2 plus 3x plus 7 equals 6x plus 18?
xx+3x+7=6x+18 xx+3x+7-(6x+18)=6x+18-(6x+18) xx-3x-11=0 Factors of -11: 1,-11 -1,11 Doesn't factor evenly, use quadratic
