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Factorise 5 – 10m

5(1-2m)
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Answered by Rocio C. • Maths tutor
26714 Views

Expand (x+3)(x+6)

Step 1 Using the crab methodLooking at the first bracket:Multiply x by x to give x 2 Then multiply x by 6 to give 6xThen move onto 3 Multiply 3 by x to give 3xThen multiply 3 by 6 to give 18 Add all these to...
AB
Answered by Alexandra B. • Maths tutor
10006 Views

Show that (x + 1)(x + 2)(x + 3) can be written in the form ax3 + bx2 + cx + d where a, b, c and d are positive integers.

(x 2 +3x+2)(x+3) = x 3 +3x 2 +3x 2 +9x+2x+6 = x 3 +6x 2 +9x+2x
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Answered by Rocio C. • Maths tutor
3550 Views

Write 7.264 51 correct to 3 decimal places.

7.265
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Answered by Rocio C. • Maths tutor
14231 Views

What is the difference between the preterite and the imperfect tense?

Firstly, I will explain the theoretical concept of both tenses to the student. In this case, both tenses place the action in the past, but the meaning of both tenses is radically different. On the one hand, ...
EA
Answered by Erik A. • Spanish tutor
3028 Views