Question 1
2 marksDo not use a calculator for this question.
(a)
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(b)
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Existing user?
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Expand 6(w+3)
Expand p(p−7)
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Expand and simplify 4(n+2)+3(n−5)
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Expand and simplify (y−3)(y+8)
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Expand 3c(2c−5)
Expand and simplify 5(2d+3)−4(d−2)
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Expand and simplify (3x+4)(2x−5)
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The diagram shows a square of side (x+4) cm and a rectangle measuring (x+9) cm by (x−1) cm.
All lengths are in centimetres. The diagram is NOT accurately drawn.
Show that the area of the square is x2+8x+16 cm2.
Show that the area of the square is 25 cm2 greater than the area of the rectangle.