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2 years ago

7 mark question. The answers on brainly only got me 3 so please help.

Mathematics

1 answer:

Nady [450]2 years ago

8 0

Answer:

See step by step answer

Step-by-step explanation:

the factors are (x+22)(x-10)=0

so x = -22 and 10, but a dimension cannot be negative, so the answer for x is 10 and then if you plug it back in the dimensions are 4 cm, 11 cm and 21 cm.

When you multiply 4 * 11 * 21 = 924, so you know it's correct.

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