factorise the following please due in 30min c^2+d^2. e^2/25-f^2/36. and the square root of x-4 thanks no link please

Wheeliez asked Jan 2, 2022

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Wheeliez asked Jan 2, 2022

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6 votes

Answer:

Explanation:

1) c²+d² is not factorable

2) e²/25 - f²/36 = e²/5² - f²/6² = (e/5)² - (f/6)² = (e/5 + f/6) (e/5 - f/6)

3)
√(x-4) nothing can be done

MGA answered Jan 8, 2022

by MGA

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