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What is (x-5)^2

Separate the square: (x-5)² = (x-5)(x-5)multiply the variables: x²multiply the numbers: -5 x -5 = 25multiply a variable and a number: -5xtimes this value by two: -10xsum all answers: x²- 10x + 25

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What is (x-5)^2

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What is (x-5)^2

Related Maths GCSE answers

Solve for x: x^2 + 6x + 8 = 0

Solve the simultaneous equations to find x and y: 2x - 2y = 20, x + 4y = 5

Simplify fully: (7x^2 - 21x)/(x^2 + 2x - 15)

Prove algebraically that (2n + 1)^2 – (2n + 1) is an even number for all positive integer values of n. (3 marks)

Prove algebraically that  (2n + 1)^2 – (2n + 1) is an even number for all positive integer values of n. (3 marks)