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Earn +20 ptsQ: How do you factorise 9 minus y squared?
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Continue Learning about Algebra
Factorise x2 minus y2 plus 9x minus 9y?
x2 - y2 + 9x - 9y =(x2 + 9x) - (y2 + 9y) =x(x + 9) - y(y + 9)================================Another way to go after it:x2 - y2 + 9x - 9y =(x2 - y2) + 9x - 9y =(x + y) (x - y) + 9 (x - y) =(x + y + 9) (x - y)
What is x minus y in parenthesis squared?
(x - y)2 = x2 - 2xy + y2
Simplify the algebraic expression 7x squared minus 4y plus 3x squared plus 5y plus 2 and evaluate it for x equals 3 and y equals 9?
7(3y-2)-(-4y+9)
What is y squared minus y equal?
y² - y all depends on the value of y. If you want to factor the expression, then we have y(y - 1)
How do you factor y cubed plus y squared minus 6?
y^3 + y^2 - 6 (y+2) (y-3) i think
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